Shubnikov-de Haas quantum oscillations reveal a reconstructed Fermi surface near optimal doping in a thin film of the cuprate superconductor Pr1.86Ce0.14CuO4±δ

被引：15

作者：

Breznay, Nicholas P. ^{[1
,2
]}

Hayes, Ian M. ^{[1
,2
]}

Ramshaw, B. J. ^{[3
]}

McDonald, Ross D. ^{[3
]}

Krockenberger, Yoshiharu ^{[4
]}

Ikeda, Ai ^{[4
]}

Irie, Hiroshi ^{[4
]}

Yamamoto, Hideki ^{[4
]}

Analytis, James G. ^{[1
,2
]}

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[2] Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA

[3] Los Alamos Natl Lab, NHMFL, Los Alamos, NM 87545 USA

[4] NTT Corp, NTT Basic Res Labs, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 2430198, Japan

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 10期

基金：

美国国家科学基金会;

关键词：

T-C SUPERCONDUCTOR; ELECTRONIC-STRUCTURE; PHASE-DIAGRAM; ORDER; YBA2CU3OY; DENSITY;

D O I：

10.1103/PhysRevB.94.104514

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study magnetotransport properties of the electron-doped superconductor Pr2-xCexCuO4 +/-delta with x = 0.14 in magnetic fields up to 92 T, and observe Shubnikov-de Haas magnetic quantum oscillations. The oscillations display a single frequency F = 255 +/- 10 T, indicating a small Fermi pocket that is similar to 1% of the two-dimensional Brillouin zone and consistent with a Fermi surface reconstructed from the large holelike cylinder predicted for these layered materials. Despite the low nominal doping, all electronic properties including the effective mass and Hall effect are consistent with overdoped compounds. Our study demonstrates that the exceptional chemical control afforded by high quality thin films will enable Fermi surface studies deep into the overdoped cuprate phase diagram.

引用

页数：5

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