NDLI: Magnetic ordering and charge dynamics in κ-(BEDT-TTF)2Cu[N(CN)2]Cl.

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Magnetic ordering and charge dynamics in κ-(BEDT-TTF)2Cu[N(CN)2]Cl.

Content Provider	Semantic Scholar
Author	Tomi'c, S. Pinterić, Marko Ivek, Tomislav Sedlmeier, K. Beyer, R. Wu, Da-Zhi Schlueter, John A. Schweitzer, D. Dressel, Martin
Copyright Year	2013
Abstract	The Mott insulator κ-(BEDT-TTF)2Cu[N(CN)2]Cl consists of molecular dimers arranged on an anisotropic triangular lattice. At low temperatures a pronounced dielectric anomaly is observed, and eventually a canted antiferromagnetic ground state forms. Optical spectroscopy clearly rules out charge imbalance and the existence of quantum electric dipoles with a dipolar-spin coupling. Here we suggest a novel form of spin-charge coupling where the prominent in-plane dielectric response in κ-(BEDT-TTF)2Cu[N(CN)2]Cl is explained by short-range discommensurations of the antiferromagnetic phase in the temperature range 30 K < T < 50 K, and by relaxation of charged domain walls in the ferromagnetic structure at lower temperatures.
Starting Page	436004
Ending Page	436004
Page Count	1
File Format	PDF HTM / HTML
DOI	10.1088/0953-8984/25/43/436004
PubMed reference number	24107640
Journal	Medline
Volume Number	25
Issue Number	43
Alternate Webpage(s)	http://bib.irb.hr/datoteka/647308.STETCl_JPCM2013.pdf
Alternate Webpage(s)	https://doi.org/10.1088/0953-8984%2F25%2F43%2F436004
Journal	Journal of physics. Condensed matter : an Institute of Physics journal
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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