2010
DOI: 10.1088/0953-8984/22/18/185701
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Carrier dynamics in an organic magnetic superconductor and related salts κ, λ-(BETS)2MCl4(M = Fe, Ga)

Abstract: Abstract. In order to compare the carrier dynamics and reveal the origin of differences in their electrical behaviour, time-resolved reflectivity changes were measured on single crystals of the title compounds. The observed relaxation behaviour well explained their electrical behaviour, and indicated that different conduction mechanisms dominated κ-and λ-type BETS salts, irrespective of local spins, at ca. 8-100 K; the electrical behaviour of the κ-type salts is governed by relaxation times of carriers and/or … Show more

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Cited by 2 publications
(7 citation statements)
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“…Therefore the discussion on the many-body effect is considered to be also valid for k-and λ-(BETS) 2 FeCl 4 . This interpretation is consistent with the observed carrier dynamics 16 and resistivity behavior. 3,4 3.2.…”
Section: Resultssupporting
confidence: 92%
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“…Therefore the discussion on the many-body effect is considered to be also valid for k-and λ-(BETS) 2 FeCl 4 . This interpretation is consistent with the observed carrier dynamics 16 and resistivity behavior. 3,4 3.2.…”
Section: Resultssupporting
confidence: 92%
“…We recently reported on a time-resolved optical study on a series of the BETS magnetic and superconducting salts: 16,17 k-(BETS) 2 FeCl 4 (T C = 0.1 K, N eel temperature T N = 0.5 K) 18 and λ-(BETS) 2 ABSTRACT: Understanding how electrons behave, i.e., carrier dynamics, in superconductors is indispensable for understanding the mechanism of superconductivity. Recently we have reported the carrier dynamics of k-and λ-(BETS) 2 MCl 4 (BETS = bis(ethylenedithio)tetraselenafulvalene, M = Ga, Fe) based on ultrafast spectroscopy, but the interpretation of the results remains an open question.…”
Section: à15mentioning
confidence: 99%
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