Magnetocapacitance and spin fluctuations in the geometrically frustrated magnets R2Ti2O7 (R = rare earth)

Takuro Katsufuji, H. Takagi

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    Abstract

    Magnetocapacitance has been measured for the geometrically frustrated magnets R2Ti2O7 (R = rare earth). The temperature dependence of magnetocapacitance, which largely deviates from the square of magnetization, indicates the evolution of strong ferromagnetic (R = Ho) or antiferromagnetic (R = Gd) fluctuation at low temperatures. This result demonstrates that the measurement of mangetocapacitance is a powerful technique to detect the magnetic fluctuation of exotic magnets.

    Original languageEnglish
    Article number064422
    Pages (from-to)644221-644225
    Number of pages5
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume69
    Issue number6
    Publication statusPublished - 2004 Feb

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    ASJC Scopus subject areas

    • Condensed Matter Physics

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