Zobrazeno 1 - 10
of 1 280
pro vyhledávání: '"Clark, O"'
Autor:
Antonelli, T., Rahim, W., Watson, M. D., Rajan, A., Clark, O. J., Danilenko, A., Underwood, K., Markovic, I., Abarca-Morales, E., Kavanagh, S. R., Fevre, P., Bertran, F., Rossnagel, K., Scanlon, D. O., King, P. D. C.
Publikováno v:
npj Quantum Mater. 7, 98 (2022)
An anomalous $(2\times2)$ charge density wave (CDW) phase emerges in monolayer 1T-TiTe$_2$ which is absent for the bulk compound, and whose origin is still poorly understood. Here, we investigate the electronic band structure evolution across the CDW
Externí odkaz:
http://arxiv.org/abs/2203.15560
Autor:
Potorochin, D. V., Kurleto, R., Clark, O. J., Rienks, E. D. L., Sanchez-Barriga, J., Roth, F., Voroshnin, V., Fedorov, A., Eberhardt, W., Buechner, B., Fink, J.
We report a high-resolution angle-resolved photoemission (ARPES) study of the prototypical nearly-free-electron metal sodium. The observed mass enhancement is slightly smaller than that derived in previous studies. The new results on the lifetime bro
Externí odkaz:
http://arxiv.org/abs/2112.00422
Autor:
Obi-Njoku, Okenna, Boh, Michael Yongha, Smith, Ward, Grant, Brian, Flemming, Corey, Price, G.W., Hernandez-Ramirez, Guillermo, Burton, David, Whalen, Joann K., Clark, O. Grant
Publikováno v:
In Science of the Total Environment 10 March 2024 915
Autor:
Marković, I., Watson, M. D., Clark, O. J., Mazzola, F., Morales, E. Abarca, Hooley, C. A., Rosner, H., Polley, C. M., Balasubramanian, T., Mukherjee, S., Kikugawa, N., Sokolov, D. A., Mackenzie, A. P., King, P. D. C.
Polar distortions in solids give rise to the well-known functionality of switchable macroscopic polarisation in ferroelectrics and, when combined with strong spin-orbit coupling, can mediate giant spin splittings of electronic states. While typically
Externí odkaz:
http://arxiv.org/abs/2001.09499
Autor:
Marković, I., Hooley, C. A., Clark, O. J., Mazzola, F., Watson, M. D., Riley, J. M., Volckaert, K., Underwood, K., Dyer, M. S., Murgatroyd, P. A. E., Murphy, K. J., Fèvre, P. Le, Bertran, F., Fujii, J., Vobornik, I., Wu, S., Okuda, T., Alaria, J., King, P. D. C.
Band inversions are key to stabilising a variety of novel electronic states in solids, from topological surface states in inverted bulk band gaps of topological insulators to the formation of symmetry-protected three-dimensional Dirac and Weyl points
Externí odkaz:
http://arxiv.org/abs/1911.08631
Autor:
Clark, O. J., Mazzola, F., Marković, I., Riley, J. R., Yang, B. -J., Sumida, K., Okuda, T., Fujii, J., Vobornik, I., Kim, T. K., Okawa, K., Sasagawa, T., Bahramy, M. S., King, P. D. C.
The band inversions that generate the topologically non-trivial band gaps of topological insulators and the isolated Dirac touching points of three-dimensional Dirac semimetals generally arise from the crossings of electronic states derived from diff
Externí odkaz:
http://arxiv.org/abs/1902.09211
Autor:
Clark, O. J., Mazzola, F., Feng, J., Sunko, V., Marković, I., Bawden, L., Kim, T. K., King, P. D. C., Bahramy, M. S.
Publikováno v:
Phys. Rev. B 99, 045438 (2019)
We investigate the electronic structure of a two-dimensional electron gas created at the surface of the multi-valley semimetal 1T-PtSe$_2$. Using angle-resolved photoemission and first-principles-based surface space charge calculations, we show how t
Externí odkaz:
http://arxiv.org/abs/1812.04485
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Autor:
Sunko, V., Mazzola, F., Kitamura, S., Khim, S., Kushwaha, P., Clark, O. J., Watson, M., Markovic, I., Biswas, D., Pourovskii, L., Kim, T. K., Lee, T. -L., Thakur, P. K., Rosner, H., Georges, A., Moessner, R., Oka, T., Mackenzie, A. P., King, P. D. C.
Publikováno v:
Sci.Adv. 6 (2020) eaaz0611
A nearly free electron metal and a Mott insulating state can be thought of as opposite ends of possibilities for the motion of electrons in a solid. In the magnetic oxide metal PdCrO$_{2}$, these two coexist as alternating layers. Using angle resolve
Externí odkaz:
http://arxiv.org/abs/1809.08972
Autor:
Clark, O. J., Neat, M. J., Okawa, K., Bawden, L., Marković, I., Mazzola, F., Feng, J., Sunko, V., Riley, J. M., Meevasana, W., Fujii, J., Vobornik, I., Kim, T. K., Hoesch, M., Sasagawa, T., Wahl, P., Bahramy, M. S., King, P. D. C.
Publikováno v:
Phys. Rev. Lett. 120, 156401 (2018)
We study the low-energy surface electronic structure of the transition-metal dichalcogenide superconductor PdTe$_2$ by spin- and angle-resolved photoemission, scanning tunneling microscopy, and density-functional theory-based supercell calculations.
Externí odkaz:
http://arxiv.org/abs/1712.04184