Temperature Dependence of the Electronic Structure and Fermi-Surface Reconstruction of Eu1-xGdxO through the Ferromagnetic Metal-Insulator Transition

被引：16

作者：

Shai, D. E. ^{[1
]}

Melville, A. J. ^{[2
]}

Harter, J. W. ^{[1
]}

Monkman, E. J. ^{[1
]}

Shen, D. W. ^{[1
]}

Schmehl, A. ^{[3
]}

Schlom, D. G. ^{[2
,4
]}

Shen, K. M. ^{[1
,4
]}

机构：

[1] Cornell Univ, Dept Phys, Lab Atom & Solid State Phys, Ithaca, NY 14853 USA

[2] Cornell Univ, Dept Mat Sci & Engn, Ithaca, NY 14853 USA

[3] Univ Augsburg, Zentrum Elekt Korrelat & Magnetismus, D-86159 Augsburg, Germany

[4] Kavli Inst Cornell Nanoscale Sci, Ithaca, NY 14853 USA

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 26期

基金：

美国国家科学基金会;

关键词：

EUO; PHOTOEMISSION;

D O I：

10.1103/PhysRevLett.108.267003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present angle-resolved photoemission spectroscopy of Eu1-xGdxO through the ferromagnetic metal-insulator transition. In the ferromagnetic phase, we observe Fermi surface pockets at the Brillouin zone boundary, consistent with density functional theory, which predicts a half-metal. Upon warming into the paramagnetic state, our results reveal a strong momentum-dependent evolution of the electronic structure, where the metallic states at the zone boundary are replaced by pseudogapped states at the Brillouin zone center due to the absence of magnetic long-range order of the Eu 4f moments.

引用

页数：5

共 27 条

[1] Fermi-surface reconstruction close to a pressure-induced metal-insulator transition
Wosnitza, J
Hagel, J
Stockert, O
Pfleiderer, C
Schlueter, JA
Mohtasham, J
Gard, GL
JOURNAL DE PHYSIQUE IV, 2004, 114 : 277 - 281
[2] Evolution of magnetic polarons and spin-carrier interactions through the metal-insulator transition in Eu1-xGdxO -: art. no. 127401
Rho, H
Snow, CS
Cooper, SL
Fisk, Z
Comment, A
Ansermet, JP
PHYSICAL REVIEW LETTERS, 2002, 88 (12) : 4
[3] Electronic structure and metal-insulator transition in SrTi1-xRuxO3
Abbate, M
Guevara, JA
Cuffini, SL
Mascarenhas, YP
Morikawa, E
EUROPEAN PHYSICAL JOURNAL B, 2002, 25 (02): : 203 - 208
[4] Electronic structure of the pyrochlore-type Ru oxides through the metal-insulator transition
Okamoto, J
Fujimori, SI
Okane, T
Fujimori, A
Abbate, M
Yoshii, S
Sato, M
ACTA PHYSICA POLONICA B, 2003, 34 (02): : 783 - 786
[5] Electronic-structure evolution through the metal-insulator transition in RNiO3
Vobornik, I
Perfetti, L
Zacchigna, M
Grioni, M
Margaritondo, G
Mesot, J
Medarde, M
Lacorre, P
PHYSICAL REVIEW B, 1999, 60 (12): : R8426 - R8429
[6] Electronic structure and metal-insulator transition in SrTi1 - xRu xO 3
M. Abbate
J.A. Guevara
S.L. Cuffini
Y.P. Mascarenhas
E. Morikawa
The European Physical Journal B - Condensed Matter and Complex Systems, 2002, 25 : 203 - 208
[7] Thermopower analysis of the electronic structure around the metal-insulator transition in V1-xWxO2
Katase, Takayoshi
Endo, Kenji
Ohta, Hiromichi
PHYSICAL REVIEW B, 2014, 90 (16)
[8] Gradual disappearance of the Fermi surface near the metal-insulator transition in La1-xSrxMnO3 thin films
Chikamatsu, A.
Wadati, H.
Kumigashira, H.
Oshima, M.
Fujimori, A.
Lippmaa, M.
Ono, K.
Kawasaki, M.
Koinuma, H.
PHYSICAL REVIEW B, 2007, 76 (20)
[9] Changes in the electronic structure and spin dynamics across the metal-insulator transition in La1-xSrxCoO3
Smith, R. X.
Hoch, M. J. R.
Moulton, W. G.
Kuhns, P. L.
Reyes, A. P.
Boebinger, G. S.
Zheng, H.
Mitchell, J. F.
PHYSICAL REVIEW B, 2016, 93 (02)
[10] Nonmonotonic temperature dependence of the resistivity of p-Ge/Ge1-xSix in the region of the metal-insulator transition
Neverov, VN
Harus, GI
Shelushinina, NG
Yakunin, MV
Neverov, VN
Kuznetsov, OA
Ponomarenko, L
De Visser, A
LOW TEMPERATURE PHYSICS, 2004, 30 (11) : 867 - 870

← 1 2 3 →