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EPL Association, European Physical Society Letters, 3(103), p. 37008

DOI: 10.1209/0295-5075/103/37008

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Re-entrant magnetic-field–induced charge and spin gaps in the coupled dual-chain quasi–one-dimensional organic conductor perylene <sub>2</sub> [Pt(mnt) <sub>2</sub> ]

Journal article published in 2013 by L. E. Winter ORCID, J. S. Brooks, P. Schlottmann, M. Almeida, S. Benjamin, C. Bourbonnais
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Abstract

An inductive method is used to follow the magnetic field-dependent susceptibility of the coupled charge density wave (CDW) and spin-Peierls (SP) ordered state behavior in the dual chain organic conductor Perylene$_2$[Pt(mnt)$_2$]. In addition to the coexisting SP-CDW state phase below 8 K and 20 T, the measurements show that a second spin-gapped phase appears above 20 T that coincides with a field-induced insulating phase. The results support a strong coupling of the CDW and SP order parameters even in high magnetic fields, and provide new insight into the nature of the magnetic susceptibility of dual-chain spin and charge systems. ; Comment: 6 pages, 6 figures