Te 5 p orbitals bring three-dimensional electronic structure to two-dimensional Ir 0.95 Pt 0.05 Te 2

D. Ootsuki; T. Toriyama; S. Pyon; K. Kudo; M. Nohara; K. Horiba; M. Kobayashi; K. Ono; H. Kumigashira; T. Noda; T. Sugimoto; A. Fujimori; N. L. Saini; T. Konishi; Y. Ohta; T. Mizokawa

doi:10.1103/PhysRevB.89.104506

Te 5 p orbitals bring three-dimensional electronic structure to two-dimensional Ir 0.95 Pt 0.05 Te 2

D. Ootsuki, T. Toriyama, S. Pyon, K. Kudo, M. Nohara, K. Horiba, M. Kobayashi, K. Ono, H. Kumigashira, T. Noda, T. Sugimoto, A. Fujimori, N. L. Saini, T. Konishi, Y. Ohta, T. Mizokawa

School of Advanced Science and Engineering

Research output: Contribution to journal › Article

11 Citations (Scopus)

Abstract

We have studied the nature of the three-dimensional multiband electronic structure in the two-dimensional triangular lattice Ir1-xPtxTe2 (x=0.05) superconductor using angle-resolved photoemission spectroscopy (ARPES), x-ray photoemission spectroscopy (XPS), and a band structure calculation. ARPES results clearly show a cylindrical (almost two-dimensional) Fermi surface around the zone center. Near the zone boundary, the cylindrical Fermi surface is truncated into several pieces in a complicated manner with strong three dimensionality. The XPS result and the band structure calculation indicate that the strong Te 5p-Te 5p hybridization between the IrTe2 triangular lattice layers is responsible for the three dimensionality of the Fermi surfaces and the intervening of the Fermi surfaces observed by ARPES.

Original language	English
Article number	104506
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	89
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.89.104506
Publication status	Published - 2014 Mar 6

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Ootsuki, D., Toriyama, T., Pyon, S., Kudo, K., Nohara, M., Horiba, K., Kobayashi, M., Ono, K., Kumigashira, H., Noda, T., Sugimoto, T., Fujimori, A., Saini, N. L., Konishi, T., Ohta, Y., & Mizokawa, T. (2014). Te 5 p orbitals bring three-dimensional electronic structure to two-dimensional Ir 0.95 Pt 0.05 Te 2. Physical Review B - Condensed Matter and Materials Physics, 89(10), [104506]. https://doi.org/10.1103/PhysRevB.89.104506

Te 5 p orbitals bring three-dimensional electronic structure to two-dimensional Ir 0.95 Pt 0.05 Te 2. / Ootsuki, D.; Toriyama, T.; Pyon, S.; Kudo, K.; Nohara, M.; Horiba, K.; Kobayashi, M.; Ono, K.; Kumigashira, H.; Noda, T.; Sugimoto, T.; Fujimori, A.; Saini, N. L.; Konishi, T.; Ohta, Y.; Mizokawa, T.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 89, No. 10, 104506, 06.03.2014.

Research output: Contribution to journal › Article

Ootsuki, D, Toriyama, T, Pyon, S, Kudo, K, Nohara, M, Horiba, K, Kobayashi, M, Ono, K, Kumigashira, H, Noda, T, Sugimoto, T, Fujimori, A, Saini, NL, Konishi, T, Ohta, Y & Mizokawa, T 2014, 'Te 5 p orbitals bring three-dimensional electronic structure to two-dimensional Ir 0.95 Pt 0.05 Te 2', Physical Review B - Condensed Matter and Materials Physics, vol. 89, no. 10, 104506. https://doi.org/10.1103/PhysRevB.89.104506

Ootsuki, D. ; Toriyama, T. ; Pyon, S. ; Kudo, K. ; Nohara, M. ; Horiba, K. ; Kobayashi, M. ; Ono, K. ; Kumigashira, H. ; Noda, T. ; Sugimoto, T. ; Fujimori, A. ; Saini, N. L. ; Konishi, T. ; Ohta, Y. ; Mizokawa, T. / Te 5 p orbitals bring three-dimensional electronic structure to two-dimensional Ir 0.95 Pt 0.05 Te 2. In: Physical Review B - Condensed Matter and Materials Physics. 2014 ; Vol. 89, No. 10.

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abstract = "We have studied the nature of the three-dimensional multiband electronic structure in the two-dimensional triangular lattice Ir1-xPtxTe2 (x=0.05) superconductor using angle-resolved photoemission spectroscopy (ARPES), x-ray photoemission spectroscopy (XPS), and a band structure calculation. ARPES results clearly show a cylindrical (almost two-dimensional) Fermi surface around the zone center. Near the zone boundary, the cylindrical Fermi surface is truncated into several pieces in a complicated manner with strong three dimensionality. The XPS result and the band structure calculation indicate that the strong Te 5p-Te 5p hybridization between the IrTe2 triangular lattice layers is responsible for the three dimensionality of the Fermi surfaces and the intervening of the Fermi surfaces observed by ARPES.",

author = "D. Ootsuki and T. Toriyama and S. Pyon and K. Kudo and M. Nohara and K. Horiba and M. Kobayashi and K. Ono and H. Kumigashira and T. Noda and T. Sugimoto and A. Fujimori and Saini, {N. L.} and T. Konishi and Y. Ohta and T. Mizokawa",

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AU - Ootsuki, D.

AU - Toriyama, T.

AU - Pyon, S.

AU - Kudo, K.

AU - Nohara, M.

AU - Horiba, K.

AU - Kobayashi, M.

AU - Ono, K.

AU - Kumigashira, H.

AU - Noda, T.

AU - Sugimoto, T.

AU - Fujimori, A.

AU - Saini, N. L.

AU - Konishi, T.

AU - Ohta, Y.

AU - Mizokawa, T.

PY - 2014/3/6

Y1 - 2014/3/6

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AB - We have studied the nature of the three-dimensional multiband electronic structure in the two-dimensional triangular lattice Ir1-xPtxTe2 (x=0.05) superconductor using angle-resolved photoemission spectroscopy (ARPES), x-ray photoemission spectroscopy (XPS), and a band structure calculation. ARPES results clearly show a cylindrical (almost two-dimensional) Fermi surface around the zone center. Near the zone boundary, the cylindrical Fermi surface is truncated into several pieces in a complicated manner with strong three dimensionality. The XPS result and the band structure calculation indicate that the strong Te 5p-Te 5p hybridization between the IrTe2 triangular lattice layers is responsible for the three dimensionality of the Fermi surfaces and the intervening of the Fermi surfaces observed by ARPES.

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