(Sr3La2O5)(Zn1−xMnx)2As2: A bulk form diluted magnetic semiconductor isostructural to the “32522” Fe-based superconductors

Huiyuan Man; Chuan Qin; Cui Ding; Quan Wang; Xin Gong; Shengli Guo; Hangdong Wang; Bin Chen; F. L. Ning

doi:10.1209/0295-5075/105/67004

All issues

Volume 105 / No 6 (March 2014)

EPL, 105 6 (2014) 67004

Abstract

Issue		EPL Volume 105, Number 6, March 2014


Article Number		67004
Number of page(s)		5
Section		Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties
DOI		https://doi.org/10.1209/0295-5075/105/67004
Published online		31 March 2014

EPL, 105 (2014) 67004

(Sr₃La₂O₅)(Zn_1−xMn_x)₂As₂: A bulk form diluted magnetic semiconductor isostructural to the “32522” Fe-based superconductors

Huiyuan Man¹, Chuan Qin¹, Cui Ding¹, Quan Wang¹, Xin Gong¹, Shengli Guo¹, Hangdong Wang², Bin Chen² and F. L. Ning¹^(a)

¹ Department of Physics, Zhejiang University - Hangzhou 310027, China
² Department of Physics, Hangzhou Normal University - Hangzhou 310016, China

^(a) ningfl@zju.edu.cn

Received: 12 January 2014
Accepted: 12 March 2014

Abstract

A new diluted magnetic semiconductor (DMS) system, (Sr₃La₂O₅)(Zn_1−xMn_x)₂As₂, has been synthesized and characterized. 10% Mn substitution for Zn in bulk form (Sr₃La₂O₅)Zn₂As₂ results in a ferromagnetic ordering below the Curie temperature, $T_C \sim 40\ \text{K}$ . (Sr₃La₂O₅)(Zn_1−xMn_x)₂As₂ has a layered crystal structure identical to that of 32522-type Fe-based superconductors, and represents the fifth DMS family that has a direct counterpart among the FeAs high-temperature superconductor families.

PACS: 75.50.Pp – Magnetic semiconductors / 75.47.Lx – Magnetic oxides / 75.30.Cr – Saturation moments and magnetic susceptibilities

© EPLA, 2014

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