Title: Study of Magnetic Excitation in Pd(dmit)<sub>2</sub> Salts by Raman Scattering Spectroscopy
Abstract:We clarified the magnetic excitation in β′-type X[Pd(dmit)2]2 (X = cation and dmit = 1,3-dithiole-2-thione-4,5-dithiolate) by Raman spectroscopy. We found a Raman signal that was caused by magnetic ex...We clarified the magnetic excitation in β′-type X[Pd(dmit)2]2 (X = cation and dmit = 1,3-dithiole-2-thione-4,5-dithiolate) by Raman spectroscopy. We found a Raman signal that was caused by magnetic excitation in a quantum spin-liquid material, EtMe3Sb[Pd(dmit)2]2 (Et = ethyl and Me = methyl), and an antiferromagnetic long-range ordered material, Me4P[Pd(dmit)2]2. In contrast, we did not find the Raman signal in a nonmagnetic charge-ordered material, Et2Me2Sb[Pd(dmit)2]2. Magnetic excitations in EtMe3Sb[Pd(dmit)2]2 and Me4P[Pd(dmit)2]2 were observed as broad-peak structures centered at approximately 380 cm−1 in the Raman scattering spectra, although the degrees of spin frustration of the two compounds were different. We discuss the spectral features of these materials, taking into account the multiple-spin interaction.Read More
Publication Year: 2015
Publication Date: 2015-03-25
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 7
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