Publications

Preprints · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · pre-2014

Recent Highlights

Metal/Mott insulator coupling in PdCrO2

arXiv:1809.08972 (2018)

Giant Rashba and ferromagnetic polar surfaces of delafossites

Nature 549 (2017) 492 (2017)

PNAS 115 (2018) 12956

Plasmon polarons in EuO

Nature Commun. 9 (2018) 2305

Strain-tuned Lifshitz transition

in Sr2RuO4

npj Quantum Materials 4 (2019) 46

Hidden spin polarisations in transition-metal dichalcogenides

Nature Physics 10 (2014) 835

Nature Nano. 10 (2015) 1043

Ubiquitous topological states and bulk Dirac cones in TMDs

Nature Materials 17 (2018) 21

Phys. Rev. Lett. 120 (2018) 156401

Spin-valley locked Fermi surface of superconducting NbSe2

Nature Commun. 7 (2016) 11711

Charge density waves in monolayer and bulk TMDs

Nano Lett. 18 (2018) 4493

Phys. Rev. Lett. 122 (2019) 076404

 
Preprints

Weyl-like points from band inversions of spin-polarised surface states in NbGeSb

I. Marković, C.A. Hooley, O.J. Clark, F. Mazzola, M.D. Watson, J.M. Riley, K. Volckaert, K. Underwood, M.S. Dyer, P.A.E. Murgatroyd, K.J. Murphy, P. Le Fèvre, F. Bertran, J. Fujii, I. Vobornik, S. Wu, T. Okuda, J. Alaria, P.D.C. King

arXiv:1911.08631

Morphology Control of Epitaxial Monolayer Transition Metal Dichalcogenides

Akhil Rajan, Kaycee Underwood, Federico Mazzola, Philip D. C. King

arXiv:1910.03307

Selective control of localised vs. delocalised carriers in anatase TiO2 through reaction with O2

Chiara Bigi, Zhenkun Tang, Gian Marco Pierantozzi, Pasquale Orgiani, Pranab Kumar Das, Jun Fujii, Ivana Vobornik, Tommaso Pincelli, Alessandro Troglia, Tien-Lin Lee, Regina Ciancio, Goran Dražic, Alberto Verdini, Anna Regoutz, Phil D. C. King, Deepnarayan Biswas, Giorgio Rossi, Giancarlo Panaccione, Annabella Selloni

arXiv:1910.03501

Momentum-resolved linear dichroism in bilayer MoS2

Klara Volckaert, Habib Rostami, Deepnarayan Biswas, Igor Marković, Federico Andreatta, Charlotte E. Sanders, Paulina Majchrzak, Cephise Cacho, Richard T. Chapman, Adam Wyatt, Emma Springate, Daniel Lizzit, Luca Bignardi, Silvano Lizzit, Sanjoy K. Mahatha, Marco Bianchi, Nicola Lanata, Phil D. C. King, Jill A. Miwa, Alexander V. Balatsky, Philip Hofmann, and Søren Ulstrup

arXiv:1910.01848

Proximity-induced ferromagnetism and chemical reactivity in few layers VSe2 heterostructures

G. Vinai, C. Bigi, A. Rajan, M.D. Watson, T.-L. Lee, F. Mazzola, S. Modesti, S. Barua, M. Ciomaga Hatnean, G. Balakrishnan, P.D.C. King, P. Torelli, G. Rossi, and G. Panaccione

arXiv:1909.01713 (2019).

The Sub-band Structure of Atomically Sharp Dopant Profiles in Silicon

Federico Mazzola, Chin-Yi Chen, Rajib Rahman, Xie-Gang Zhu, Craig M. Polley, Thiagarajan Balasubramanian, Phil D. C. King, Philip Hofmann, Jill A. Miwa, and Justin W. Wells

arXiv:1904.10929 (2019).

Spin Hall effect in 2D metallic delafossite PtCoO2 and vicinity topology

Sota Kitamura, Hidetomo Usui, Robert-Jan Slager, Adrien Bouhon, Veronika Sunko, Helge Rosner, Philip D. C. King, Joseph Orenstein, Roderich Moessner, Andrew P. Mackenzie, Kazuhiko Kuroki, and Takashi Oka

arXiv:1811.03105 (2018).

Probing spin correlations using angle resolved photoemission in a coupled metallic/Mott insulator system

V. Sunko, F. Mazzola, S. Kitamura, S. Khim, P. Kushwaha, O.J. Clark, M. Watson, I. Marković, D. Biswas, L. Pourovskii, T.K. Kim, T.-L. Lee, P.K. Thakur, H. Rosner, A. Georges, R. Moessner, T. Oka, A.P. Mackenzie, P.D.C. King

arXiv:1809.08972 (2018).

2019

Direct Observation of a Uniaxial Stress-driven Lifshitz Transition in Sr2RuO4

V. Sunko, E. Abarca Morales, I. Marković, M.E. Barber, D. Milosavljević, F. Mazzola, D.A. Sokolov, N. Kikugawa, C. Cacho, P. Dudin, H. Rosner, C.W. Hicks, P.D.C. King, and A.P. Mackenzie

npj Quantum Materials 4, 46 (2019).

High-resolution photoemission on Sr2RuO4 reveals correlation-enhanced effective spin-orbit coupling and dominantly local self-energies

A. Tamai, M. Zingl, E. Rozbicki, E. Cappelli, S. Ricco, A. de la Torre, S. McKeown Walker, F. Y. Bruno, P.D.C. King, W. Meevasana, M. Shi, M. Radovic, N.C. Plumb, A.S. Gibbs, A.P. Mackenzie, C. Berthod, H. Strand, M. Kim, A. Georges, and F. Baumberger

Phys. Rev. X 9, 021048 (2019).

On the origin of the anomalous peak in the resistivity of TiSe2

Matthew D. Watson, Adam M. Beales, and Philip D. C. King

Phys. Rev. B 99, 195142 (2019); Editor's Suggestion.

Transient hot electron dynamics in single-layer TaS2

Federico Andreatta, Habib Rostami, Antonija Grubišić Čabo, Marco Bianchi, Charlotte E. Sanders, Deepnarayan Biswas, Cephise Cacho, Alfred J. H. Jones, Richard T. Chapman, Emma Springate, Phil D. C. King, Jill A. Miwa, Alexander Balatsky, Søren Ulstrup, and Philip Hofmann

Phys. Rev. B 99, 165421 (2019).

Hidden kagome-lattice picture and origin of high conductivity in delafossite PtCoO2

Hidetomo Usui, Masayuki Ochi, Sota Kitamura, Takashi Oka, Daisuke Ogura, Helge Rosner, Maurits W. Haverkort, Veronika Sunko, Philip D. C. King, Andrew P. Mackenzie, and Kazuhiko Kuroki

Phys. Rev. Mat. 3, 045002 (2019).

A general route to form topologically-protected surface and bulk Dirac fermions along high-symmetry lines

Oliver J. Clark, Federico Mazzola, Igor Marković, Jon Riley, Jiagui Feng, Bohm-Jung Yang, Kazuki Sumida, Taichi Okuda, Jun Fujii, Ivana Vobornik, Timur Kim, Kenjiro Okawa, Takao Sasagawa, M. S. Bahramy and Philip D C King

Electronic Structure, 1, 014002 (2019).

Orbital- and kz-selective hybridisation of Se 4p and Ti 3d states in the charge density wave phase of TiSe2

Matthew D. Watson, Oliver J. Clark, Federico Mazzola, Igor Marković, Veronika Sunko, Timur K. Kim, Kai Rossnagel, and Philip D. C. King

Phys. Rev. Lett., 122, 076404 (2019).

Dual quantum confinement and anisotropic spin splitting in the multi-valley semimetal PtSe2

O. J. Clark, F. Mazzola, J. Feng, V. Sunko, I. Marković, L. Bawden, T. K. Kim, P. D. C. King, and M. S. Bahramy

Phys. Rev. B, 99, 045438 (2019)

 
 
2018

Itinerant ferromagnetism of the Pd-terminated polar surface of PdCoO2

F. Mazzola, V. Sunko, S. Khim, H. Rosner, P. Kushwaha, O. J. Clark, L. Bawden, I. Marković, T. K. Kim, M. Hoesch, A. P. Mackenzie, and P. D. C. King

Proc. Natl. Acad. Sci. U.S.A., 115, 12956 (2018).

Unconventional magneto-transport in ultrapure PdCoO2 and PtCoO2

Nabhanila Nandi, Thomas Scaffidi, Pallavi Kushwaha, Seunghyun Khim, Mark E. Barber, Veronika Sunko, Federico Mazzola, Philip D. C. King, Helge Rosner, Philip J. W. Moll, Markus König, Joel E. Moore, Sean Hartnoll, Andrew P. Mackenzie

npj Quantum Materials, 3, 66 (2018).

Electronic structure and enhanced charge-density wave order of monolayer VSe2

Jiagui Feng, Deepnarayan Biswas, Akhil Rajan, Matthew D. Watson, Federico Mazzola, Oliver J. Clark, Kaycee Underwood, Igor Marković, Martin McLaren, Andrew Hunter, David M. Burn, Liam B. Duffy, Sourabh Barua, Geetha Balakrishnan, François Bertran, Patrick Le Fèvre, Timur K. Kim, Gerrit van der Laan, Thorsten Hesjedal, Peter Wahl, & Phil D. C. King

Nano Lett., 18, 4493 (2018).

 

Crossover from lattice to plasmonic polarons of a spin-polarised electron gas in ferromagnetic EuO

J. M. Riley, F. Caruso, C. Verdi, L. B. Duffy, M. D. Watson, L. Bawden, K. Volckaert, G. van der Laan, T. Hesjedal, M. Hoesch, F. Giustino & P. D. C. King

Nature Communications, 9, 2305 (2018).

  • See also - A new beamline system offers insights into electron behaviour; Science Highlight at Diamond Light Source, July 2018

 

Fermiology and superconductivity of topological surface states in PdTe2

O. J. Clark, M. J. Neat, K. Okawa, L. Bawden, I. Marković, F. Mazzola, J. Feng, V. Sunko, J. M. Riley, W. Meevasana, J. Fujii, I. Vobornik, T. K. Kim, M. Hoesch, T. Sasagawa, P. Wahl, M. S. Bahramy, and P. D. C. King

Phys. Rev. Lett., 120, 156401 (2018).

Ubiquitous formation of bulk Dirac cones and topological surface states from a single orbital manifold in transition-metal dichalcogenides

M. S. Bahramy, O. J. Clark, B.-J. Yang, J. Feng, L. Bawden, J. M. Riley, I. Marković, F. Mazzola, V. Sunko, D. Biswas, S. P. Cooil, M. Jorge, J. W. Wells, M. Leandersson, T. Balasubramanian, J. Fujii, I. Vobornik, J. Rault, T. K. Kim, M. Hoesch, K. Okawa, M. Asakawa, T. Sasagawa, T. Eknapakul, W. Meevasana, and P. D. C. King

Nature Materials, 17, 21 (2018).

    In the news:

  • Topological ladders in transition-metal dichalcogenides - Elettra synchrotron "top story", January 2018.

  • ​New research could revolutionise the future of electronic devices - phys.org, November 2017.

 
2017

Maximal Rashba-like spin splitting via kinetic energy-coupled inversion symmetry breaking

Veronika Sunko, H. Rosner, P. Kushwaha, S. Khim, F. Mazzola, L. Bawden, O. J. Clark, J. M. Riley, D. Kasinathan, M. W. Haverkort, T. K. Kim, M. Hoesch, J. Fujii, I. Vobornik, A. P. Mackenzie, and P. D. C. King

Nature, 549, 492 (2017).

    In the news:

  • Condensed-matter physics: Taking control of spin currents - News and Views article by Z.-X. Shen and J. Sobota, Nature, 549, 464 (2017).

  • Separating the spins at the surface - Science Highlight at Diamond Light Source, September 2017.

  • Condensed matter physics research could revolutionise data transfer and storage - phys.org, September 2017.

  • Maximal spin splitting for future spintronic materials - Elettra synchrotron "top story", October 2017.

Hybrid reflections from multiple x-ray scattering in epitaxial oxide films

Eva H. Smith, Phil D. C. King, Arsen Soukiassian, Dieter G. Ast, and Darrell G. Schlom

Appl. Phys. Lett., 111, 131903 (2017).

Quasi two-dimensional Fermi surface topography of the delafossite PdRhO2

Frank Arnold, Marcel Naumann, Seunghyun Khim, Helge Rosner, Veronika Sunko, Federico Mazzola, Philip D.C. King, Andrew P. Mackenzie, Elena Hassinger

Phys. Rev. B, 96, 075163 (2017).

Narrow-band anisotropic electronic structure of ReS2

D. Biswas, Alex M. Ganose, R. Yano, J. M. Riley, L. Bawden, O. J. Clark, J. Feng, L. Collins-Mcintyre, M.T. Sajjad, W. Meevasana, T. K. Kim, M. Hoesch, J. E. Rault, T. Sasagawa, David O. Scanlon, and P. D. C. King

Phys. Rev. B, 96, 085205 (2017).

Surface atomic structure of epitaxial LaNiO3 thin films studied by in situ LEED-I(V)

J. P. Ruf, P. D. C. King, V. B. Nascimento, D. G. Schlom, and K. M. Shen

Phys. Rev. B, 95, 115418 (2017).

Spin and Valley Control of Free Carriers in Single-Layer WS2

Søren Ulstrup, Antonija G. Čabo, Deepnarayan Biswas, Jonathon M. Riley, Maciej Dendzik, Charlotte E. Sanders, Marco Bianchi, Cephise Cacho, Dan Matselyukh, Richard T. Chapman, Emma Springate, Phil D.C. King, Jill A. Miwa, and Philip Hofmann

Phys. Rev. B, 95, 041405(R) (2017).

 
2016

Nearly-free-electron system of monolayer Na on the surface of single-crystal HfSe2

T. Eknapakul, I. Fongkaew, S. Siriroj, R. Vidyasagar, J. D. Denlinger, L. Bawden, S.-K. Mo, P. D. C. King, H. Takagi, S. Limpijumnong, and W. Meevasana

Phys. Rev. B 94, 201121(R) (2016).

Ultrafast Band Structure Control of a Two-Dimensional Heterostructure

Søren Ulstrup, Antonija G. Čabo, Jill A. Miwa, Jonathon M. Riley, Signe S. Grønborg, Jens C. Johannsen, Cephise Cacho, Oliver Alexander, Richard T. Chapman, Emma Springate, Marco Bianchi, Maciej Dendzik, Jeppe V. Lauritsen, Phil D.C. King, and Philip Hofmann

ACS Nano 10, 6315 (2016).

Spin-valley locking in the normal state of a transition-metal dichalcogenide superconductor

L. Bawden, S.P. Cooil, F. Mazzola, J.M. Riley, L.J. Collins-McIntyre, V. Sunko, K.W.B. Hunvik, M. Leandersson, C.M. Polley, T. Balasubramanian, T.K. Kim, M. Hoesch, J.W. Wells, G. Balakrishnan, M.S. Bahramy, and P.D.C. King

Nature Communications 7, 11711 (2016).

Absence of Giant Spin Splitting in the Two-Dimensional Electron Liquid at the Surface of SrTiO3(001)

S. McKeown Walker, S Riccò, F.Y. Bruno, A. de la Torre, A. Tamai, E. Golias, A. Varykhalov, D. Marchenko, M. Hoesch, M. S. Bahramy, P.D.C. King, J. Sánchez-Barriga, and F. Baumberger

Phys. Rev. B 93, 245143 (2016).

Strain Control of Fermiology and Many-Body Interactions in Two-Dimensional Ruthenates

B. Burganov, C. Adamo, A. Mulder, M. Uchida, P.D.C. King, J.W. Harter, D.E. Shai, A.S. Gibbs, A.P. Mackenzie, R. Uecker, M. Bruetzam, M.R. Beasley, C.J. Fennie, D.G. Schlom, and K.M. Shen

Phys. Rev. Lett. 116, 197003 (2016).

Tailoring the nature and strength of electron-phonon interactions in the SrTiO3(001) 2D electron liquid

Z. Wang, S. McKeown Walker, A. Tamai, Y. Wang, Z. Ristic, F.Y. Bruno, A. de la Torre, S. Riccò, N.C. Plumb, M. Shi, P. Hlawenka, J. Sánchez-Barriga, A. Varykhalov, T.K. Kim, M. Hoesch, P.D.C. King, W. Meevasana, U. Diebold, J. Mesot, B. Moritz, T.P. Devereaux, M. Radovic, and F. Baumberger

Nature Materials 15, 835 (2016).

2015

Nearly-free electrons in a 5d delafossite oxide metal

P. Kushwaha, V. Sunko, P.J.W. Moll, L. Bawden, J.M. Riley, N. Nandi, H. Rosner, M.P. Schmidt, F. Arnold, E. Hassinger, T.K. Kim, M. Hoesch, A.P. Mackenzie, P.D.C. King

Science Advances 1, 1500692 (2015).

Negative electronic compressibility and tunable spin splitting in WSe2

J.M. Riley, W. Meevasana, L. Bawden, M. Asakawa, T. Takayama, T. Eknapakul, T.K. Kim, M. Hoesch, S.-K. Mo, H. Takagi, T. Sasagawa, M.S. Bahramy, and P.D.C. King

Nature Nanotechnology 10, 1043 (2015).

  • See also a news feature on this work - Researchers uncover unusual effects on the electronic structure of TMDs - at nanowerk.com.

Hierarchical spin-orbital polarisation of a giant Rashba system

L. Bawden, J.M. Riley, C.H. Kim, R. Sankar, E.J. Monkman, D.E. Shai, H.I. Wei, E. Lochocki, J.W. Wells, W. Meevasana, T.K. Kim, M. Hoesch, Y. Ohtsubo, P. Le Fèvre, C.J. Fennie, K.M. Shen, F.C. Chou, and P.D.C. King

Science Advances 1, 1500495 (2015).

  • See also - Fundamental gains for a spintronic future - Science Highlight at Diamond Light Source, November 2015.

Quantifying electronic correlation strength in a complex oxide: a combined DMFT and ARPES study of LaNiO3

E. A. Nowadnick, J. P. Ruf, H. Park, P. D. C. King, D. G. Schlom, K. M. Shen, A. J. Millis

Phys. Rev. B 92, 245109 (2015).

Observation of Ultrafast Free Carrier Dynamics in Single Layer MoS2

Antonija G. Cabo, Jill A. Miwa, Signe S. Grønborg, Jonathon M. Riley, Jens C. Johannsen, Cephise Cacho, Oliver Alexander, Richard T. Chapman, Emma Springate, Marco Grioni, Jeppe V. Lauritsen, Phil D. C. King, Philip Hofmann, and Søren Ulstrup

Nano Lett. 15, 5883 (2015).

Formation and observation of a quasi-two-dimensional dxy electron liquid in epitaxially stabilized Sr2-xLaxTiO4 thin films

Y.F. Nie, D. Di Sante, S. Chatterjee, P.D.C. King, M. Uchida, S. Ciuchi, D.G. Schlom, and K.M. Shen

Phys. Rev. Lett. 115, 096405 (2015).

The dynamics of ultraviolet-induced oxygen vacancy at the surface of insulating SrTiO3(001)

S. Suwanwong, T. Eknapakul, Y. Rattanachai, C. Masingboon, S. Rattanasuporn, R. Phatthanakun, H. Nakajima, P.D.C. King, S.K. Hodak, and W. Meevasana

Appl. Surf. Sci. 355, 210 (2015).

Carrier-Density Control of the SrTiO3 (001) Surface 2D Electron Gas studied by ARPES

Siobhan McKeown Walker, Flavio Yair Bruno, Zhiming Wang, Alberto de la Torre, Sara Riccó, Anna Tamai, Timur K. Kim, Moritz Hoesch, Ming Shi, Mohammad Saeed Bahramy, Phil D. C. King, and Felix Baumberger

Advanced Materials 27, 3894 (2015).

Ramifications of Optical Pumping on the Interpretation of Time-Resolved Photoemission Experiments on Graphene

Søren Ulstrup, Jens Christian Johannsen, Federico Cilento, Alberto Crepaldi, Jill A. Miwa, Michele Zacchigna, Cephise Cacho, Richard T. Chapman, Emma Springate, Felix Fromm, Christian Raidel, Thomas Seyller, Phil D. C. King, Fulvio Parmigiani, Marco Grioni, and Philip Hofmann

J. Electron Spectrosc. Relat. Phenom. (special issue) 200, 340 (2015).

Tunable Carrier Multiplication and Cooling in Graphene

Jens Christian Johannsen, Søren Ulstrup, Alberto Crepaldi, Federico Cilento, Michele Zacchigna, Jill Miwa, Cephise Cacho, Richard Chapman, Emma Springate, Felix Fromm, Christian Raidel, Thomas Seyller, Philip King, Fulvio Parmigiani, Marco Grioni, and Philip Hofmann

Nano Lett., 15, 326 (2015).

Interplay of spin-orbit interactions, dimensionality, and octahedral rotations in semimetallic SrIrO3

Y.F. Nie, P.D.C. King, C.H. Kim, M. Uchida, H.I. Wei, B. Faeth, J. Ruf, J.P.C. Ruff, L. Xie, X. Pan, C.J. Fennie, D.G. Schlom, and K.M. Shen

Phys. Rev. Lett., 114, 016401 (2015).

  • See also a news feature on this work - New 'knobs' can dial in control of materials - in Cornell Chronicle.

 
 
2014

Direct observation of spin-polarised bulk bands in an inversion-symmetric semiconductor

J. M. Riley, F. Mazzola, M. Dendzik, M. Michiardi, T. Takayama, L. Bawden, C. Granerød, M. Leandersson, T. Balasubramanian, M. Hoesch, T. K. Kim, H. Takagi, W. Meevasana, Ph. Hofmann, M. S. Bahramy, J. W. Wells, and P. D. C. King

Nature Physics, 10, 835 (2014).

    In the news:

  • Spintronics: A lucky break - News and Views article by J. Schaibley    and X. Xu, Nature Physics, 10, 798 (2014).

  • Material gives up its spin-splitting secrets - News article in Physics World by Tushna Commissariat, October 2014.

  • International Research Team Report Giant Spin-Splitting In WSe2 - Compound Semiconductor, October 2014.

  • Spintronics potential for electronic materials - Science Highlight at Diamond Light Source, November 2014.

  • Hide and seek – a new spin on symmetric semiconductors - Science Highlight at MAX IV Laboratory, November 2014.

  • Imaging Spin-Valley-Layer Locking in a Transition-Metal Dichalcogenide - Invited feature at 2physics.com, November 2014.

  • Molibdenita revoluciona campo da spintronica - Inovacao Technologia, November 2014.

  • Hidden Spintronic Potential Unveiled - News Item of the School of Physics and Astronomy in St Andrews, October 2014.

  • Electronic structure and spin-valley-layer coupling in the strong spin-orbit semiconductor WSe2 - Annual Review 2015, Diamond Light Source.

 

Correlated vs. conventional insulating behavior in the Jeff=1/2 vs. 3/2 bands in the layered iridate Ba2IrO4

M. Uchida, Y. F. Nie, P. D. C. King, C. H. Kim, C. J. Fennie, D. G. Schlom, and K. M. Shen

Phys. Rev. B 90, 075142 (2014).

 

Control of a two-dimensional electron gas on SrTiO3(111) by atomic oxygen

S. McKeown Walker, A. de la Torre, F. Y. Bruno, A. Tamai, T. K. Kim, M. Hoesch, M. Shi, M. S. Bahramy, P. D. C. King, F. Baumberger

Phys. Rev. Lett., 113, 177601 (2014).

 

Ultrafast Dynamics of Massive Dirac Fermions in Bilayer Graphene

Søren Ulstrup, Jens Christian Johannsen, Federico Cilento, Jill A. Miwa, Alberto Crepaldi, Michele Zacchigna, Cephise Cacho, Richard Chapman, Emma Springate, Samir Mammadov, Felix Fromm, Christian Raidel, Thomas Seyller, Fulvio Parmigiani, Marco Grioni, Phil D. C. King and Philip Hofmann

Phys. Rev. Lett. 112, 257401 (2014).

    In the news:

  • Tracking Electron Movements in Bilayer Graphene - Viewpoint by Luca Perfetti in APS Physics 7, 68 (2014)

  • Graphene bilayer acts as semiconductor - Engineering and Technology Magazine, August 2014

  • Future of fast computer chips could be in graphene - nanowerk.com, August 2014

  • Graphen nimmt Hürde auf dem Weg zum Computerchip - Futurezone Technology News, August 2014

 

Atomic-scale control of competing electronic phases in ultrathin LaNiO3

P. D. C. King, H. I. Wei, Y. F. Nie, M. Uchida, C. Adamo, S. Zhu, X. He, I. Božović, D. G. Schlom, and & K. M. Shen

Nature Nanotechnology 9, 443 (2014).

    In the news:

  • Transition-metal oxides: It takes two to waver - News and Views article by M. Gabay and J.-M. Triscone, Nature Nanotechnology 9, 417 (2014).

  • Transition metal oxide switches when super-thin - at nanotechweb.com.

  • 'Exotic' material is like a switch when super thin - featured in Science Daily, Phys Org, Physics News, Eurekalert, redOrbit, R&D magazine, Quantum Times, US Department of Energy Science Headlines, Kavli Institute at Cornell News, Cornell Chronicle, and more.

 

Quasiparticle dynamics and spin–orbital texture of the SrTiO3 two-dimensional electron gas

P. D. C. King, S. McKeown Walker, A. Tamai, A. de la Torre, T. Eknapakul, P. Buaphet, S.-K. Mo, W. Meevasana, M. S. Bahramy, and F. Baumberger

Nature Communications 5, 3414 (2014).

Electronic structure of a quasi-freestanding MoS2 monolayer

T. Eknapakul, P. D. C. King, M. Asakawa, P. Buaphet, R. He, S.-K. Mo, H. Takagi, K. M. Shen, F. Baumberger, T. Sasagawa, S. Jungthawan, and W. Meevasana

Nano Lett. 14, 1312 (2014).

Evidence for Topologically Protected Surface States and a Superconducting Phase in [Tl4](Tl1−xSnx)Te3 Using Photoemission, Specific Heat, and Magnetization Measurements, and Density Functional Theory

K. E. Arpino, D. C. Wallace, Y. F. Nie, T. Birol, P. D. C. King, S. Chatterjee, M. Uchida, S. M. Koohpayeh, J.-J. Wen, C. J. Fennie, K. M. Shen, and T. M. McQueen

Phys. Rev. Lett. 112, 017002 (2014).

pre-2014

Optical absorption by dilute GaNSb alloys: Influence of N pair states

J. J. Mudd, N. J. Kybert, W. M. Linhart, L. Buckle, T. Ashley, P. D. C. King, T. S. Jones, M. J. Ashwin, and T. D. Veal

Appl. Phys. Lett. 103, 042110 (2013).

Spectroscopic indications for polaronic behaviour of the strong spin-orbit insulator Sr3Ir2O7 

P. D. C. King, T. Takayama, A. Tamai, E. Rozbicki, S. McKewon Walker, M. Shi, L. Patthey, R. G. Moore, D. Lu, K. M. Shen, H. Takagi, and F. Baumberger

Phys. Rev. B. Rapid Comm. 87, 241106(R) (2013).

Formation and consequences of heavy d-electron quasiparticles in Sr3Ru2O7

M. P. Allan, A. Tamai, E. Rozbicki, M. H. Fischer, J. Voss, P. D. C. King, W. Meevasana, S. Thirupathaiah, E. Rienks, J. Fink, A. Tennant, R. S. Perry, J. F. Mercure, K. M. Shen, E.-A. Kim, M. L. Lawler, C. G. Fennie, A. P. Mackenzie, Z.-X. Shen, and F. Baumberger

New. J. Phys. 15, 063029 (2013).

Anomalous change in dielectric constant of CaCu3Ti4O12 under violet-to-UV irradiation

C. Masingboon, T. Eknapakul, S. Suwanwong, P. Buaphet, H. Nakajima, S.-K. Mo, P. Thongbai, P. D. C. King, S. Maensiri, and W. Meevasana

Appl. Phys. Lett. 102, 202903 (2013).

Spin-orbit splitting of the Shockley surface state on Cu(111) 

A. Tamai, W. Meevasana, P. D. C. King, C. Nicholson, A. de la Torre, E. Rozbicki, and F. Baumberger

Phys. Rev. B 87, 075113 (2013).

Microscopic Origin of Electron Accumulation in In2O3 

K. H. L. Zhang, R. G. Egdell, F. Offi, S. Iacobucci, L. Petaccia, S. Gorovikov, and P. D. C. King

Phys. Rev. Lett. 110, 056803 (2013).

  • Featured as an Elettra synchrotron "top story":

http://www.elettra.eu/science/top-stories/electron-accumulation-in-thin-oxide.html

 

A tunable low-energy photon source for high-resolution angle-resolved photoemission spectroscopy

J. W. Harter, P. D. C. King, E. J. Monkman, D. E. Shai, Y. Nie, M. Uchida, B. Burganov, S. Chatterjee, and K. M. Shen

Rev. Sci. Instrum. 83, 113103 (2012).

Emergent quantum confinement at topological insulator surfaces

M. S. Bahramy, P. D. C. King, A. de la Torre, J. Chang, M. Shi, L. Patthey, G. Balakrishnan, Ph. Hofmann, R. Arita, N. Nagaosa, and F. Baumberger

Nature Communications 3, 1159 (2012). 

Controlling bulk conductivity in topological insulators: Key role of anti-site defects

D. O. Scanlon, P. D. C. King, R. P. Singh, A. de la Torre, S. McKeown Walker, G. Balakrishnan, F. Baumberger, and C. R. A. Catlow

Adv. Mater. 24, 2154 (2012).

  • See also a news feature on this work - Putting the insulator back into topological insulators - at compoundsemiconductor.net.

Self-compensation in highly n-type InN

C. Rauch, F. Tuomisto, P. D. C. King, T. D. Veal, H. Lu, and W. J. Schaff

Appl. Phys. Lett. 101, 011903 (2012).

Subband structure of a two-dimensional electron gas formed at the polar surface of the strong spin-orbit perovskite KTaO3

P. D. C. King, R. H. He, T. Eknapakul, P. Buaphet, S.-K. Mo, Y. Kaneko, S. Harashima, Y. Hikita, M. S. Bahramy, C. Bell, Z. Hussain, Y. Tokura, Z.-X. Shen, H. Y. Hwang, F. Baumberger, and W. Meevasana

Phys. Rev. Lett. 108, 117602 (2012).

  • Featured as an ALS research highlight: A New Route to Nanoscale Conducting Channels in Insulating Oxides

http://www-als.lbl.gov/index.php/science-highlights/science-highlights.html

Electronic Properties of Post-transition Metal Oxide Semiconductor Surfaces

T. D. Veal, P. D. C. King, and C. F. McConville

in Functional Metal Oxide Nanostructures by J. Wu, J. Cao, W.-Q. Han, A. Janotti, and H.-C. Kim (Eds.)

Springer Series in Materials Science, vol. 149 (2012), ISBN 978-1-4419-9930-6

Large tunable Rashba spin splitting of a two-dimensional electron gas in Bi2Se3

P. D. C. King, R. C. Hatch, M. Bianchi, R. Ovsyannikov, C. Lupulescu, G. Landolt, B. Slomski, J. H. Dil, D. Guan, J. L. Mi, E. D. L. Rienks, J. Fink, A. Lindblad, S. Svensson, S. Bao, G. Balakrishnan, B. B. Iversen, J. Osterwalder, W. Eberhardt, F. Baumberger, and Ph. Hofmann

Phys. Rev. Lett. 107, 096802 (2011).

    In the news:

  • Spin Control - Editor's Choice, Science 333, 1680 (2011).

  • Rashba gets hotter and more pronounced - at physicsworld.com.

  • A new spin on topological insulator surfaces - at nanowerk.com.

  • Spin-transistor has come within reach - in Ingeniøren, the Danish engineering paper.

  • Interessant ist der Rand - article by Roland Winkler and Christian Ast, Physik Journal, 10, 22 (2011).

  • Large Rashba effect observed with Scienta ARTOF 10k - Scienta Application Note.

Structural origin of apparent Fermi surface pockets in angle-resolved photoemission of Bi2Sr2-xLaxCuO6+δ

P. D. C. King, J. A. Rosen, W. Meevasana, A. Tamai, E. Rozbicki, R. Comin, G. Levy, D. Fournier, Y. Yoshida, H. Eisaki, K.M. Shen, N.J.C. Ingle, A. Damascelli, and F. Baumberger

Phys. Rev. Lett. 106, 127005 (2011).

  • Also, Reply to "Comment on arXiv:1012.1484v1 Structural origin of apparent Fermi surface pockets in angle-resolved photoemission of Bi2Sr2-xLaxCuO6+δ by King et al." 

P. D. C. King, J. A. Rosen, W. Meevasana, A. Tamai, E. Rozbicki, R. Comin, G. Levy, D. Fournier, Y. Yoshida, H. Eisaki, K. M. Shen, N. J. C. Ingle, A. Damascelli, and F. Baumberger

arXiv 1005.1862 (2011).

Invited Topical Review: Conductivity in transparent oxide semiconductors

P. D. C. King and T. D. Veal

J. Phys.: Condens. Matter special issue: Semiconducting Oxides 23, 334214 (2011).

Electron mobility in CdO films

S. V. Farahani, T. D. Veal, P. D. C. King, J. Zùñiga-Pérez, V. Muñoz-Sanjosé, and C. F. McConville

J. Appl. Phys. 109, 073712 (2011).

Creation and control of a two-dimensional electron liquid at the bare SrTiO3 surface

W. Meevasana, P. D. C. King, R. H. He, S.-K. Mo, M. Hashimoto, A. Tamai, P. Songsiriritthigul, F. Baumberger, and Z.-X. Shen

Nature Materials 10, 114 (2011). 

    See also:

Coexistence of the topological state and a two-dimensional electron gas on the surface of Bi2Se3

M. Bianchi, D. Guan, S. Bao, J. Mi, B. Brummerstedt Iversen, P. D. C. King, and Ph. Hofmann

Nature Communications 1, 128 (2010).

Surface, bulk and interface electronic properties of non-polar InN

W. M. Linhart, T. D. Veal, P. D. C. King, G. Koblmüller, C. S. Gallinat, J. S. Speck, and C. F. McConville

Appl. Phys. Lett. 97, 112103 (2010).

Surface band gap narrowing in quantized electron accumulation layers

P. D. C. King, T. D. Veal, C. F. McConville, J. Zùñiga-Pérez, V. Muñoz-Sanjosé, M. Hopkinson, E. D. L. Rienks, M. Fuglsang Jensen, and Ph. Hofmann

Phys. Rev. Lett. 104, 256803 (2010).

  • See also a news feature on this work - Bandgaps: Think They’re Constant? Think Again! - at compoundsemiconductor.net.

 

Strong Electron Correlations in the Normal State of the Iron-Based FeSe0.42Te0.58 Superconductor Observed by Angle-Resolved Photoemission Spectroscopy

A. Tamai, A. Y. Ganin, E. Rozbicki, J. Bacsa, W. Meevasana, P. D. C. King, M. Caffio, R. Schaub, S. Margadonna, K. Prassides, M. J. Rosseinsky, and F. Baumberger

Phys. Rev. Lett. 104, 097002 (2010).

Observation of shallow-donor muonium in Ga2O3: evidence for hydrogen-induced conductivity

P. D. C. King, I. McKenzie, and T. D. Veal

Appl. Phys. Lett. 96, 062110 (2010).

 

Shallow donor state of hydrogen in In2O3 and SnO2: implications for conductivity in transparent conducting oxides

P. D. C. King, R. L. Lichti, Y. G. Celebi, J. M. Gil, R. C. Vilão, H. V. Alberto, J. Piroto Duarte, D. J. Payne, R. G. Egdell, I. McKenzie, C. F. McConville, S. F. J. Cox, and T. D. Veal

Phys. Rev. B Rapid Comm. 80, 081201(R) (2009).

Surface structure and electronic properties of In2O3(111) single crystal thin films grown on Y-stabilised ZrO2(111) 

K. H. L. Zhang, D. J. Payne, R. G. Palgrave, V. K. Lazarov, W. Chen, A. T. S. Wee, C. F. McConville, P. D. C. King, T. D. Veal, G. Panaccione, P. Lacovig, and R. G. Egdell

Chem. Mater. 21 4353 (2009).

The influence of Sn doping on the growth of In2O3 on Y-stabilized ZrO2(100) by oxygen plasma assisted molecular beam epitaxy 

A. Bourlange, D. J. Payne, R. G. Palgrave, H. Zhang, J. S. Foord, R. G. Egdell, R. M. J. Jacobs, T. D. Veal, P. D. C. King, and C. F. McConville

J. Appl. Phys. 106, 013703 (2009).

Band gap, electronic structure and surface electron accumulation of cubic and rhombohedral In2O3

P. D. C. King, T. D. Veal, F. Fuchs, Ch. Y. Wang, D. J. Payne, A. Bourlange, H. Zhang, G. R. Bell, V. Cimalla, O. Ambacher, R. G. Egdell, F. Bechstedt, and C. F. McConville

Phys. Rev. B 79, 205211 (2009).

Valence band electronic structure of CdO, ZnO, and MgO from x-ray photoemission spectroscopy and quasi-particle corrected density functional theory calculations

P. D. C. King, T. D. Veal, A. Schleife, J. Zùñiga-Pérez, B. Martel, P. H. Jefferson, F. Fuchs, V. Muñoz-Sanjosé, F. Bechstedt, and C. F. McConville

Phys. Rev. B 79, 205205 (2009).

Donor nature of muonium in undoped, heavily n-type and p-type InAs

P. D. C. King, T. D. Veal, C. F. McConville, P. J. C. King, S. F. J. Cox, Y. G. Celebi, and R. L. Lichti

J. Phys.: Condens. Matter 21, 075803 (2009).

  • Featured article in IoP Select.

InN in brief: Conductivity and chemical trends 

P. D. C. King, T. D. Veal, and C. F. McConville

in Indium Nitride and Related Alloys by T. D. Veal, C. F. McConville and W. J. Schaff (Eds.)

CRC Press/Taylor & Francis (18 August 2009), ISBN 978-1420078091.

Surface electronic properties of InN and related alloys 

T. D. Veal, P. D. C. King, and C. F. McConville

in Indium Nitride and Related Alloys by T. D. Veal, C. F. McConville and W. J. Schaff (Eds.)

CRC Press/Taylor & Francis (18 August 2009), ISBN 978-1420078091.

Unification of the electrical behavior of defects, impurities, and surface states in semiconductors: Virtual gap states in CdO

P. D. C. King, T. D. Veal, P. H. Jefferson, J. Zùñiga-Pérez, V. Muñoz-Sanjosé, and C. F. McConville

Phys. Rev. B 79, 035203 (2009).

Unintentional conductivity of indium nitride: transport modelling and microscopic origins

P. D. C. King, T. D. Veal, and C. F. McConville

J. Phys.: Condens. Matter special issue: Physics of III-V Nitrides 21, 174201 (2009).

Surface electronic properties of Mg-doped InAlN alloys

P. D. C. King, T. D. Veal, W. J. Schaff and C. F. McConville

Phys. Stat. Sol. B 246, 1169 (2009).

 

Valence band offset of the ZnO/AlN heterojunction determined by x-ray photoemission spectroscopy

T. D. Veal, P. D. C. King, S. A. Hatfield, L. R. Bailey, C. F. McConville, B. Martel, J. C. Moreno, E. Frayssinet, F. Semond, and J. Zùñiga-Pérez

Appl. Phys. Lett. 93, 202108 (2008).

Band bending at the surfaces of In-rich InGaN alloys

L. R. Bailey, T. D. Veal, P. D. C. King, C. F. McConville, J. Grandal, M. A. Sánchez-García, E. Muñoz, and E. Calleja

J. Appl. Phys. 104, 113716 (2008).

Influence of growth conditions and polarity on interface-related electron density in InN

P. D. C. King, T. D. Veal, C. S. Gallinat, G. Koblmüller, L. R. Bailey, J. S. Speck, and C. F. McConville

J. Appl. Phys. 104, 103703 (2008).

Observation of quantized subband states and evidence for surface electron accumulation in CdO from angle-resolved photoemission spectroscopy

L. F. J. Piper, Leyla Colakerol, P. D. C. King, A. Schleife, J. Zùñiga-Pérez, Per-Anders Glans, Tim Learmonth, A. Federov, T. D. Veal, F. Fuchs, V. Muñoz-Sanjosé, F. Bechstedt, C. F. McConville, and Kevin E. Smith

Phys. Rev. B 78, 165127 (2008).

Surface electronic properties of clean and S-terminated InSb(001) and (111)B

P. D. C. King, T. D. Veal, M. J. Lowe, and C. F. McConville

J. Appl. Phys. 104, 083709 (2008).

Surface electron accumulation and the charge neutrality level in In2O3

P. D. C. King, T. D. Veal, D. J. Payne, A. Bourlange, R. G. Egdell, and C. F. McConville

Phys. Rev. Lett. 101, 116808 (2008). 

  • Featured in a Technology Research Review, Materials - Indium oxide reveals secret surface charge

Compound Semiconductor 14 (9), 36 (2008).

  • Also, Technology Materials Update, Tranparent oxides - MBE unmasks the real indium oxide

Tim Veal, Phil King, Chris McConville, David Payne, Anne Bourlange and Russ Egdell, 

Compound Semiconductor 14 (11), 27 (2008).

InN/GaN valence band offset: High-resolution x-ray photoemission spectroscopy measurements

P. D. C. King, T. D. Veal, C. E. Kendrick, L. R. Bailey, S. M. Durbin and C. F. McConville

Phys. Rev. B 78, 033308 (2008).

Surface electronic properties of undoped InAlN alloys 

P. D. C. King, T. D. Veal, A. Adikimenakis, Hai Lu, L. R. Bailey, E. Iliopoulos, A. Georgakilas, W. J. Schaff and C. F. McConville

Appl. Phys. Lett. 92, 172105 (2008).

Non-parabolic coupled Poisson-Schrödinger solutions for quantized electron accumulation layers: Band bending, charge profile, and subbands at InN surfaces

P. D. C. King, T. D. Veal and C. F. McConville

Phys. Rev. B 77, 125305 (2008).

Valence band density of states of zinc-blende and wurtzite InN from x-ray photoemission spectroscopy and first-principles calculations

P. D. C. King, T. D. Veal, C. F. McConville, F. Fuchs, J. Furthmüller, F. Bechstedt, J. Schörmann, D. J. As, K. Lischka, Hai Lu and W. J. Schaff

Phys. Rev. B 77, 115213 (2008).

Surface electronic properties of n- and p-type InGaN alloys 

P. D. C. King, T. D. Veal, Hai Lu, P. H. Jefferson, S. A. Hatfield, W. J. Schaff and C. F. McConville

Phys. Stat. Sol. B 245, 881 (2008).

Mechanisms in the formation of high quality Schottky contacts to n-type ZnO

Martin Allen, Holger Von Wenckstern, Marius Grundmann, Stuart Hatfield, Paul Jefferson, Philip King, Timothy Veal, Chris McConville and Steven Durbin

Mater. Res. Soc. Symp. Proc.  1035, L10-06 (2008).

Bandgap and effective mass of epitaxial Cadmium Oxide

P. H. Jefferson, S. A. Hatfield, T. D. Veal, P. D. C. King, C. F. McConville, J. Zùñiga-Pérez and V. Muñoz-Sanjosé

Appl. Phys. Lett. 92, 022101 (2008). 

  • Also, Response to "Comment on 'Bandgap and effective mass of epitaxial cadmium oxide'"

T. D. Veal, P. H. Jefferson, P. D. C. King, S. A. Hatfield, C. F. McConville, J. Zùñiga-Pérez and V. Muñoz-Sanjosé

Appl. Phys. Lett. 92, 106104 (2008).

The influence of conduction band plasmons on core-level photoemission spectra of InN

P. D. C. King, T. D. Veal, Hai Lu, S. A. Hatfield, W. J. Schaff and C. F. McConville, 

Surf. Sci. 602, 871 (2008).

Determination of the branch-point energy of InN: Chemical trends in common-cation and common-anion semiconductors

P. D. C. King, T. D. Veal, P. H. Jefferson, S. A. Hatfield, L. F. J. Piper, C. F. McConville, F. Fuchs, J. Furthmüller, F. Bechstedt, Hai Lu and W. J. Schaff

Phys. Rev. B 77, 045316 (2008).

X-ray photoemission spectroscopy determination of the InN/yttria stabilized cubic-zirconia valence band offset

P. D. C. King, T. D. Veal, S. A. Hatfield, P. H. Jefferson, C. F. McConville, C. E. Kendrick, C. H. Swartz and S. M. Durbin

Appl. Phys. Lett. 91, 112103 (2007).

Universality of electron accumulation at wurtzite c- and a-plane and zinc-blende InN surfaces

P. D. C. King, T. D. Veal, C. F. McConville, F. Fuchs, J. Furthmüller, F. Bechstedt, P. Schley, R. Goldhahn, J. Schörmann, D. J. As, K. Lischka, D. Muto, H. Naoi, Y. Nanishi, Hai Lu and W. J. Schaff

Appl. Phys. Lett. 91, 092101 (2007).

In-adlayers on non-polar and polar InN surfaces: ion scattering and photoemission studies 

T. D. Veal, P. D. C. King, M. Walker, C. F. McConville, Hai Lu and W. J. Schaff

Physica B 401-402, 351 (2007).

In adlayers on c-plane InN surfaces: A polarity-dependent study by x-ray photoemission spectroscopy  

T. D. Veal, P. D. C. King, P. H. Jefferson, L. F. J. Piper, C. F. McConville, Hai Lu, W. J. Schaff, P. A. Anderson, S. M. Durbin, D. Muto, H. Naoi and Y. Nanishi

Phys. Rev. B 76, 075313 (2007).

Acoustic band gaps in periodically and quasi-periodically modulated waveguides

P. D. C. King and T. J. Cox

J. Appl. Phys. 102, 014902 (2007).

Valence band offset of InN/AlN heterojunctions measured by x-ray photoelectron spectroscopy

P. D. C. King, T. D. Veal, P. H. Jefferson, C. F. McConville, T. Wang, P. J. Parbrook, Hai Lu and W. J. Schaff

Appl. Phys. Lett. 90, 132105 (2007).

Variation of band bending at the surface of Mg-doped InGaN: evidence of p-type conductivity across the composition range 

P. D. C. King, T. D. Veal, P. H. Jefferson, C. F. McConville, Hai Lu and W. J. Schaff

Phys. Rev. B 75, 115312 (2007).

 

We gratefully acknowledge support from: