TITLE

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

AUTHOR(S)
Huang, Chun-Chao; Chang, Shu-Jui; Yang, Chao-Yao; Chou, Hsiung; Tseng, Yuan-Chieh
PUB. DATE
December 2013
SOURCE
Review of Scientific Instruments;Dec2013, Vol. 84 Issue 12, p123904
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
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 (∼20 K) and room temperatures, and signal variations upon the change of applied voltage were clearly detected.
ACCESSION #
93390565

 

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