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 SM ISO690:2012HEMMIDA, Mamoun, KRUG VON NIDDA, Hans Albrecht, TSURKAN, Vladimir, LOIDL, Alois. Berezinskii-Kosterlitz-Thouless type scenario in the molecular spin liquid ACr2 O4(A=Mg,Zn,Cd). In: Physical Review B, 2017, vol. 95, p. 0. ISSN 2469-9950. DOI: https://doi.org/10.1103/PhysRevB.95.224101 |
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  Physical Review B |
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| Volumul 95 / 2017 / ISSN 2469-9950 /ISSNe 2469-9969 | ||||||
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| DOI:https://doi.org/10.1103/PhysRevB.95.224101 | ||||||
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The spin relaxation in chromium spinel oxides ACr2O4 (A= Mg, Zn, Cd) is investigated in the paramagnetic regime by electron spin resonance (ESR). The temperature dependence of the ESR linewidth indicates an unconventional spin-relaxation behavior, similar to spin-spin relaxation in the two-dimensional (2D) chromium-oxide triangular lattice antiferromagnets. The data can be described in terms of a generalized Berezinskii-Kosterlitz-Thouless (BKT) type scenario for 2D systems with additional internal symmetries. Based on the characteristic exponents obtained from the evaluation of the ESR linewidth, short-range order with a hidden internal symmetry is suggested. |
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| Cuvinte-cheie Antiferromagnetic materials, Chromium compounds, Electron energy analyzers, Electrospinning, Magnetic moments, Temperature distribution |
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Dublin Core Export
<?xml version='1.0' encoding='utf-8'?> <oai_dc:dc xmlns:dc='http://purl.org/dc/elements/1.1/' xmlns:oai_dc='http://www.openarchives.org/OAI/2.0/oai_dc/' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd'> <dc:creator>Hemmida, M.</dc:creator> <dc:creator>Krug Von Nidda, H.</dc:creator> <dc:creator>Ţurcan, V.V.</dc:creator> <dc:creator>Loidl, A.</dc:creator> <dc:date>2017-06-05</dc:date> <dc:description xml:lang='en'><p>The spin relaxation in chromium spinel oxides ACr2O4 (A= Mg, Zn, Cd) is investigated in the paramagnetic regime by electron spin resonance (ESR). The temperature dependence of the ESR linewidth indicates an unconventional spin-relaxation behavior, similar to spin-spin relaxation in the two-dimensional (2D) chromium-oxide triangular lattice antiferromagnets. The data can be described in terms of a generalized Berezinskii-Kosterlitz-Thouless (BKT) type scenario for 2D systems with additional internal symmetries. Based on the characteristic exponents obtained from the evaluation of the ESR linewidth, short-range order with a hidden internal symmetry is suggested.</p></dc:description> <dc:identifier>10.1103/PhysRevB.95.224101</dc:identifier> <dc:source>Physical Review B () 0-0</dc:source> <dc:subject>Antiferromagnetic materials</dc:subject> <dc:subject>Chromium compounds</dc:subject> <dc:subject>Electron energy analyzers</dc:subject> <dc:subject>Electrospinning</dc:subject> <dc:subject>Magnetic moments</dc:subject> <dc:subject>Temperature distribution</dc:subject> <dc:title>Berezinskii-Kosterlitz-Thouless type scenario in the molecular spin liquid ACr2 O4(A=Mg,Zn,Cd)</dc:title> <dc:type>info:eu-repo/semantics/article</dc:type> </oai_dc:dc>
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