Search Results - "Piper, L. F. J."

Direct Observation of Electrostatically Driven Band Gap Renormalization in a Degenerate Perovskite Transparent Conducting Oxide by Lebens-Higgins, Z, Scanlon, D O, Paik, H, Sallis, S, Nie, Y, Uchida, M, Quackenbush, N F, Wahila, M J, Sterbinsky, G E, Arena, Dario A, Woicik, J C, Schlom, D G, Piper, L F J

“…We have directly measured the band gap renormalization associated with the Moss-Burstein shift in the perovskite transparent conducting oxide (TCO), La-doped…”
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Nature of the Metal Insulator Transition in Ultrathin Epitaxial Vanadium Dioxide by Quackenbush, N. F, Tashman, J. W, Mundy, J. A, Sallis, S, Paik, H, Misra, R, Moyer, J. A, Guo, J.-H, Fischer, D. A, Woicik, J. C, Muller, D. A, Schlom, D. G, Piper, L. F. J

“…We have combined hard X-ray photoelectron spectroscopy with angular dependent O K-edge and V L-edge X-ray absorption spectroscopy to study the electronic…”
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Origin of the Bipolar Doping Behavior of SnO from X‑ray Spectroscopy and Density Functional Theory by Quackenbush, N. F, Allen, J. P, Scanlon, D. O, Sallis, S, Hewlett, J. A, Nandur, A. S, Chen, B, Smith, K. E, Weiland, C, Fischer, D. A, Woicik, J. C, White, B. E, Watson, G. W, Piper, L. F. J

“…The origin of the almost unique combination of optical transparency and the ability to bipolar dope tin monoxide is explained using a combination of soft and…”
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Experimental and Theoretical Study of the Electronic Structures of Lanthanide Indium Perovskites LnInO3 by Hartley, P, Egdell, R. G, Zhang, K. H. L, Hohmann, M. V, Piper, L. F. J, Morgan, D. J, Scanlon, D. O, Williamson, B. A. D, Regoutz, A

“…Ternary lanthanide indium oxides LnInO3 (Ln = La, Pr, Nd, Sm) were synthesized by high-temperature solid-state reaction and characterized by X-ray powder…”
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Role of lone pair electrons in determining the optoelectronic properties of BiCuOSe by Sallis, S., Piper, L. F. J., Francis, J., Tate, J., Hiramatsu, H., Kamiya, T., Hosono, H.

“…The electronic structure of the oxychalcogenides LaCuOSe and BiCuOSe has been studied using O K-edge x-ray emission spectroscopy, x-ray absorption…”
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Quantized electron accumulation states in indium nitride studied by angle-resolved photoemission spectroscopy by Colakerol, Leyla, Veal, T D, Jeong, Hae-Kyung, Plucinski, Lukasz, DeMasi, Alex, Learmonth, Timothy, Glans, Per-Anders, Wang, Shancai, Zhang, Yufeng, Piper, L F J, Jefferson, P H, Fedorov, Alexei, Chen, Tai-Chou, Moustakas, T D, McConville, C F, Smith, Kevin E

“…Electron accumulation states in InN have been measured using high resolution angle-resolved photoemission spectroscopy (ARPES). The electrons in the…”
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Nature of the band gap of In2O3 revealed by first-principles calculations and x-ray spectroscopy by Walsh, Aron, Da Silva, Juarez L F, Wei, Su-Huai, Körber, C, Klein, A, Piper, L F J, DeMasi, Alex, Smith, Kevin E, Panaccione, G, Torelli, P, Payne, D J, Bourlange, A, Egdell, R G

“…Bulk and surface sensitive x-ray spectroscopic techniques are applied in tandem to show that the valence band edge for In2O3 is found significantly closer to…”
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La-doped BaSnO3—Degenerate perovskite transparent conducting oxide: Evidence from synchrotron x-ray spectroscopy by Sallis, S., Scanlon, D. O., Chae, S. C., Quackenbush, N. F., Fischer, D. A., Woicik, J. C., Guo, J.-H., Cheong, S. W., Piper, L. F. J.

“…We report direct evidence of conduction band filling in 3% La-doped BaSnO3 using hard x-ray photoelectron spectroscopy. Direct comparisons with hybrid density…”
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Transition from electron accumulation to depletion at β-Ga2O3 surfaces: The role of hydrogen and the charge neutrality level by Swallow, J. E. N., Varley, J. B., Jones, L. A. H., Gibbon, J. T., Piper, L. F. J., Dhanak, V. R., Veal, T. D.

“…The surface electronic properties of bulk-grown β-Ga2O3 (2¯01) single crystals are investigated. The band gap is found using optical transmission to be 4.68…”
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Bi-induced band gap reduction in epitaxial InSbBi alloys by Rajpalke, M. K., Linhart, W. M., Yu, K. M., Birkett, M., Alaria, J., Bomphrey, J. J., Sallis, S., Piper, L. F. J., Jones, T. S., Ashwin, M. J., Veal, T. D.

“…The properties of molecular beam epitaxy-grown InSb1−xBix alloys are investigated. Rutherford backscattering spectrometry shows that the Bi content increases…”
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Origin of deep subgap states in amorphous indium gallium zinc oxide: Chemically disordered coordination of oxygen by Sallis, S., Butler, K. T., Quackenbush, N. F., Williams, D. S., Junda, M., Fischer, D. A., Woicik, J. C., Podraza, N. J., White, B. E., Walsh, A., Piper, L. F. J.

“…The origin of the deep subgap states in amorphous indium gallium zinc oxide (a-IGZO), whether intrinsic to the amorphous structure or not, has serious…”
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Experimental and Theoretical Study of the Electronic Structures of Lanthanide Indium Perovskites LnInO 3 by Hartley, P, Egdell, R G, Zhang, K H L, Hohmann, M V, Piper, L F J, Morgan, D J, Scanlon, D O, Williamson, B A D, Regoutz, A

“…Ternary lanthanide indium oxides LnInO (Ln = La, Pr, Nd, Sm) were synthesized by high-temperature solid-state reaction and characterized by X-ray powder…”
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The nature of electron lone pairs in BiVO4 by Payne, D. J., Robinson, M. D. M., Egdell, R. G., Walsh, A., McNulty, J., Smith, K. E., Piper, L. F. J.

“…The electronic structure of BiVO4 has been studied by x-ray photoelectron, x-ray absorption, and x-ray emission spectroscopies, in comparison with density…”
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Observation of an inverted band structure near the surface of InN by Colakerol, L, Piper, L. F. J, Fedorov, A, Chen, T. C, Moustakas, T. D, Smith, K. E

“…The dispersion of the valence band within the electron accumulation layer of n-type InN$(000\bar {1})$ has been directly measured using angle-resolved…”
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The local electronic structure of tin phthalocyanine studied by resonant soft X-ray emission spectroscopies by Peltekis, N., Holland, B.N., Piper, L.F.J., DeMasi, A., Smith, K.E., Downes, J.E., McGovern, I.T., McGuinness, C.

“…The electronic structure of thin films of the organic semiconductor tin phthalocyanine (SnPc) has been investigated by resonant and non-resonant soft X-ray…”
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Elucidating the Nature of Pseudo Jahn―Teller Distortions in LixMnPO4: Combining Density Functional Theory with Soft and Hard X-ray Spectroscopy by PIPER, L. F. J, QUACKENBUSH, N. F, WHITTINGHAM, M. S, SALLIS, S, SCANLON, D. O, WATSON, G. W, NAM, K.-W, YANG, X.-Q, SMITH, K. E, OMENYA, F, CHERNOVA, N. A

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Origin of the n-type conductivity of InN: The role of positively charged dislocations by Piper, L. F. J., Veal, T. D., McConville, C. F., Lu, Hai, Schaff, W. J.

“…As-grown InN is known to exhibit high unintentional n-type conductivity. Hall measurements from a range of high-quality single-crystalline epitaxially grown…”
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Electronic Structure of C60/Phthalocyanine/ITO Interfaces Studied using Soft X-ray Spectroscopies by Cho, S. W, Piper, L. F. J, DeMasi, A, Preston, A. R. H, Smith, K. E, Chauhan, K. V, Sullivan, P, Hatton, R. A, Jones, T. S

“…The interface electronic structure of a bilayer heterojunction of C60 and three different phthalocyanines grown on indium tin oxide (ITO) has been studied…”
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Growth of dilute nitride alloys of GaInSb lattice-matched to GaSb by Jefferson, P.H., Buckle, L., Bennett, B.R., Veal, T.D., Walker, D., Wilson, N.R., Piper, L.F.J., Thomas, P.A., Ashley, T., McConville, C.F.

“…The growth of dilute nitride alloys of GaInSb by plasma-assisted molecular beam epitaxy is reported. The principle of lattice matching GaInNSb alloys to GaSb(0…”
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Origin of electron accumulation at wurtzite InN surfaces by MAHHOOB, I, VEAL, T. D, PIPER, L. F. J, MCCONVILLE, C. F, HAI LU, SCHAFF, W. J, FURTHMÜLLER, J, BECHSTEDT, F

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