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STATIC SCALING IN A SHORT-RANGE ISING SPIN-GLASS
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
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1991 (English)In: Physical Review B Condensed Matter, ISSN 0163-1829, E-ISSN 1095-3795, Vol. 43, 8199-8203 p.Article in journal (Refereed) Published
Abstract [en]

The nonlinear ac susceptibility chi’-nl of the short-range Ising spin glass Fe0.5Mn0.5TiO3 has been measured using a superconducting-quantum-interference-device magnetometer. The spin-glass temperature, T(g), and the critical exponent gamma were estimated from the temperature dependence of the quadratic field term of chi’nl, yielding T(g) = 20.70 and gamma = 4.0. Static-scaling analyses, using different scaling equations, gave similar results. Using gamma and results from previous dynamic-scaling analyses, a number of critical exponents have been obtained through different scaling relations, e.g., delta = 8.4 and nu = 1.7. The results support the existence of a finite-temperature phase transition in a three-dimensional Ising spin glass.

Place, publisher, year, edition, pages
1991. Vol. 43, 8199-8203 p.
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Condensed Matter Physics
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URN: urn:nbn:se:uu:diva-195547DOI: 10.1103/PhysRevB.43.8199OAI: oai:DiVA.org:uu-195547DiVA: diva2:607939
Available from: 2013-02-26 Created: 2013-02-26 Last updated: 2017-12-06

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