prikaz prve stranice dokumenta Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3
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Scientific paper - Original scientific paper
Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3
Physical review B: Condensed matter and materials physics, 90 (2014), 9; 195139. https://doi.org/10.1103/PhysRevB.90.195139
Pinterić, Marija; Čulo, M.; Milat, Ognjen; Basletić, Mario; Korin-Hamzić, Bojana; Tafra, Emil; Hamzić, Amir; Ivek, T.; Peterseim, T.; Miyagawa, K.; Kanoda, K.; Schlueter, J. A.; Dressel, M.; Tomić, S.

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Pinterić, M., Čulo, M., Milat, O., Basletić, M., Korin Hamzić, B., Tafra, E. ... Tomić, S. (2014). Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3. Physical review B: Condensed matter and materials physics, 90. (9). doi: 10.1103/PhysRevB.90.195139

Pinterić, Marija, et al. "Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3." Physical review B: Condensed matter and materials physics, vol. 90, no. 9, 2014. https://doi.org/10.1103/PhysRevB.90.195139

Pinterić, Marija, M. Čulo, Ognjen Milat, Mario Basletić, Bojana Korin Hamzić, Emil Tafra, Amir Hamzić, et al. "Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3." Physical review B: Condensed matter and materials physics 90, no. 9 (2014). https://doi.org/10.1103/PhysRevB.90.195139

Pinterić, M., et al. (2014) 'Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3', Physical review B: Condensed matter and materials physics, 90(9). doi: 10.1103/PhysRevB.90.195139

Pinterić M, Čulo M, Milat O, Basletić M, Korin Hamzić B, Tafra E, and sur.. Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3. Physical review B: Condensed matter and materials physics [Internet]. 2014 [cited 2024 November 14];90(9). doi: 10.1103/PhysRevB.90.195139

M. Pinterić, et al., "Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3", Physical review B: Condensed matter and materials physics, vol. 90, no. 9, 2014. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:944838. [Accessed: 14 November 2024]

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Metadata
Title (english)Anisotropic charge dynamics in the quantum spin-liquid candidate κ−(BEDT-TTF)2Cu2(CN)3
AuthorMarija Pinterić
AuthorM. Čulo
AuthorOgnjen Milat
AuthorMario Basletić
AuthorBojana Korin-Hamzić
AuthorEmil Tafra
AuthorAmir Hamzić
AuthorT. Ivek
AuthorT. Peterseim
AuthorK. Miyagawa
AuthorK. Kanoda
AuthorJ. A. Schlueter
AuthorM. Dressel
AuthorS. Tomić
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
We have in detail characterized the anisotropic charge response of the dimer Mott insulator κ−(BEDT-TTF)2Cu2(CN)3 by dc conductivity, Hall effect, and dielectric spectroscopy. At room temperature, the Hall coefficient is positive and close to the value expected from stoichiometry; the temperature behavior follows the dc resistivity ρ(T). Within the planes the dc conductivity is well described by variable-range hopping in two dimensions; this model, however, fails for the out-of-plane direction. An unusually broad in-plane dielectric relaxation is detected below about 60 K; it slows down much faster than the dc conductivity following an Arrhenius law. At around 17 K, we can identify a pronounced dielectric anomaly concomitantly with anomalous features in the mean relaxation time and spectral broadening. The out-of-plane relaxation, on the other hand, shows a much weaker dielectric anomaly; it closely follows the temperature behavior of the respective dc resistivity. At lower temperatures, the dielectric constant becomes smaller both within and perpendicular to the planes; also, the relaxation levels off. The observed behavior bears features of relaxorlike ferroelectricity. Because heterogeneities impede its long-range development, only a weak-tunneling-like dynamics persists at low temperatures. We suggest that the random potential and domain structure gradually emerge due to the coupling to the anion network.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysical review B: Condensed matter and materials physics
Numberingvol. 90, no. 9, 195139
p-ISSN1098-0121
e-ISSN1550-235X
DOIhttps://doi.org/10.1103/PhysRevB.90.195139
URN:NBNurn:nbn:hr:217:944838
Publication2014
ProjectNumber: IP-2013-11-1011
Title (croatian): Jako korelirani elektroni u slojnim organskim materijalima i manganitima: niskofrekventna pobuđenja i nelinearna dinamika
Acronym: SCEinLOM
Leader: Silvia Tomić
Jurisdiction: Croatia
Funding stream: IP
Document URLhttp://link.aps.org/doi/10.1103/PhysRevB.90.195139
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Public noteCopyright (2014) by the American Physical Society. Received 21 July 2014; revised manuscript received 10 October 2014; published 20 November 2014.
Created on2019-12-29 16:09:26