(La1-xBax)(Zn1-xMnx)AsO: A two-dimensional 1111-type diluted magnetic semiconductor in bulk form

被引：75

作者：

Ding, Cui ^{[1
]}

Man, Huiyuan ^{[1
]}

Qin, Chuan ^{[1
]}

Lu, Jicai ^{[1
]}

Sun, Yunlei ^{[1
]}

Wang, Quan ^{[1
]}

Yu, Biqiong ^{[1
]}

Feng, Chunmu ^{[1
]}

Goko, T. ^{[2
]}

Arguello, C. J. ^{[2
]}

Liu, L. ^{[2
]}

Frandsen, B. A. ^{[2
]}

Uemura, Y. J. ^{[2
]}

Wang, Hangdong ^{[3
]}

Luetkens, H. ^{[4
]}

Morenzoni, E. ^{[4
]}

Han, W. ^{[5
,6
]}

Jin, C. Q. ^{[5
,6
]}

Munsie, T. ^{[7
]}

Williams, T. J. ^{[7
]}

D'Ortenzio, R. M. ^{[7
]}

Medina, T. ^{[7
]}

Luke, G. M. ^{[7
,8
]}

Imai, T. ^{[7
,8
]}

Ning, F. L. ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Zhejiang, Peoples R China

[2] Columbia Univ, Dept Phys, New York, NY 10027 USA

[3] Hangzhou Normal Univ, Dept Phys, Hangzhou 310016, Zhejiang, Peoples R China

[4] Paul Scherrer Inst, Lab Muon Spin Spect, CH-5232 Villigen, Switzerland

[5] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[6] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

[7] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada

[8] Canadian Inst Adv Res, Toronto, ON M5G 1Z8, Canada

来源：

PHYSICAL REVIEW B | 2013年 / 88卷 / 04期

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

CUMN; SUPERCONDUCTIVITY; FERROMAGNETISM; HYSTERESIS; PN;

D O I：

10.1103/PhysRevB.88.041102

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the synthesis and characterization of a bulk diluted magnetic semiconductor (La1-xBax)(Zn1-xMnx)AsO (0 <= x <= 0.2) with a layered crystal structure identical to that of the 1111-type FeAs superconductors. No ferromagnetic order occurs with (Zn,Mn) substitution in the parent compound LaZnAsO without charge doping. Together with carrier doping via (La,Ba) substitution, a small amount of Mn substituting for Zn results in ferromagnetic order with T-C up to similar to 40 K, although the system remains semiconducting. Muon spin relaxation measurements confirm the development of ferromagnetic order in the entire volume, with the relationship between the internal field and TC consistent with the trend found in (Ga,Mn) As and the 111-type Li(Zn,Mn) As and the 122-type (Ba,K)(Zn,Mn)(2)As-2 systems.

引用

页数：5

共 15 条

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