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Yoo, Jung-Woo
Nano Spin Transport Lab.
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Multiple photonic responses in films of organic-based magnetic semiconductor V(TCNE)(x), x similar to 2

Author(s)
Yoo, Jung-WooEdelstein, R. ShimaLincoln, D. M.Raju, N. P.Xia, C.Pokhodnya, K. I.Miller, Joel S.Epstein, A. J.
Issued Date
2006-12
DOI
10.1103/PhysRevLett.97.247205
URI
https://scholarworks.unist.ac.kr/handle/201301/7735
Fulltext
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33845519411
Citation
PHYSICAL REVIEW LETTERS, v.97, no.24, pp.1 - 4
Abstract
Concomitant photoinduced magnetic and electrical phenomena are reported for the organic-based magnetic semiconductor V(TCNE)(x) (x similar to 2; TCNE=tetracyanoethylene; magnetic ordering temperature T-c similar to 400 K). Upon optical excitation (457.9 nm), the system can be trapped in a thermally reversible photoexcited state, which exhibits reduced magnetic susceptibility and increased conductivity with a simultaneous change in IR absorption spectrum. The multiple photonic effects in V(TCNE)(x) are proposed to originate from structural changes induced by internal excitation in (TCNE)(-) anions, which lead to relaxation to a long-lived metastable state.
Publisher
AMERICAN PHYSICAL SOC
ISSN
0031-9007
Keyword
PHOTOINDUCED MAGNETIZATIONTHIN-FILMTEMPERATUREBEHAVIOR

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