Instrument for x-ray absorption spectroscopy with in situ electrical control characterizations

被引：3

作者：

Huang, Chun-Chao ^{[1
]}

Chang, Shu-Jui ^{[1
]}

Yang, Chao-Yao ^{[1
]}

Chou, Hsiung ^{[2
]}

Tseng, Yuan-Chieh ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Mat Sci & Engn, Hsinchu, Taiwan

[2] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung, Taiwan

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2013年 / 84卷 / 12期

关键词：

MAGNETIC TUNNEL-JUNCTIONS; FIELD CONTROL; DOPED ZNO; FERROMAGNETISM; ANISOTROPY; BARRIERS; OXIDES; LAYERS; FILMS; IRON;

D O I：

10.1063/1.4849635

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report a synchrotron-based setup capable of performing x-ray absorption spectroscopy and x-ray magnetic circular dichroism with simultaneous electrical control characterizations. The setup can enable research concerning electrical transport, element-and orbital-selective magnetization with an in situ fashion. It is a unique approach to the real-time change of spin-polarized electronic state of a material/device exhibiting magneto-electric responses. The performance of the setup was tested by probing the spin-polarized states of cobalt and oxygen of Zn1-xCoxO dilute magnetic semiconductor under applied voltages, both at low (similar to 20 K) and room temperatures, and signal variations upon the change of applied voltage were clearly detected. (C) 2013 AIP Publishing LLC.

引用

页数：6

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