Analysis of glass behavior of lu2fe3o7 with distributed equivalent circuit model

Yukimasa Fukada; Ryota Fukuyama; Kosuke Fujiwara; Kenji Yoshii; Kei Shigematsu; Masaki Azuma; Naoshi Ikeda

doi:10.7566/JPSJ.90.024710

Analysis of glass behavior of lu₂fe₃o₇ with distributed equivalent circuit model

Yukimasa Fukada, Ryota Fukuyama, Kosuke Fujiwara, Kenji Yoshii, Kei Shigematsu, Masaki Azuma, Naoshi Ikeda

School of Science

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We report an analysis of the dielectric glasslike state of the spin- and charge-ordered system Lu₂Fe₃O₇, which has structural and physical properties analogous to those of the electronic ferroelectrics RFe₂O₄ (R: rare earth). Aging and memory effects of resistivity were found in the electric impedance response. We performed a numerical analysis with equivalent electric circuits that have a logarithmic Gaussian distribution of resistance and capacitance. The distribution parameters well explained the glassy nature of the electric and dielectric properties between 100 and 200 K and the distribution variations of charge- and magnetic-ordered domains underlying the glass nature.

Original language	English
Article number	024710
Journal	journal of the physical society of japan
Volume	90
Issue number	2
DOIs	https://doi.org/10.7566/JPSJ.90.024710
Publication status	Published - 2021

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Analysis of glass behavior of lu2fe3o7 with distributed equivalent circuit model",

abstract = "We report an analysis of the dielectric glasslike state of the spin- and charge-ordered system Lu2Fe3O7, which has structural and physical properties analogous to those of the electronic ferroelectrics RFe2O4 (R: rare earth). Aging and memory effects of resistivity were found in the electric impedance response. We performed a numerical analysis with equivalent electric circuits that have a logarithmic Gaussian distribution of resistance and capacitance. The distribution parameters well explained the glassy nature of the electric and dielectric properties between 100 and 200 K and the distribution variations of charge- and magnetic-ordered domains underlying the glass nature.",

author = "Yukimasa Fukada and Ryota Fukuyama and Kosuke Fujiwara and Kenji Yoshii and Kei Shigematsu and Masaki Azuma and Naoshi Ikeda",

note = "Funding Information: Acknowledgment The authors gratefully thank Drs. M. Mizumaki, N. Hayashi, T. Fukuda, and M. Takeda for their help in the early stage of this study and for fruitful discussions on the experimental results. This work was supported by JSPS KAKENHI Grant Numbers 17K19090 and 20H02829. Publisher Copyright: {\textcopyright} 2021 The Physical Society of Japan",

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doi = "10.7566/JPSJ.90.024710",

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T1 - Analysis of glass behavior of lu2fe3o7 with distributed equivalent circuit model

AU - Fukada, Yukimasa

AU - Fukuyama, Ryota

AU - Fujiwara, Kosuke

AU - Yoshii, Kenji

AU - Shigematsu, Kei

AU - Azuma, Masaki

AU - Ikeda, Naoshi

N1 - Funding Information: Acknowledgment The authors gratefully thank Drs. M. Mizumaki, N. Hayashi, T. Fukuda, and M. Takeda for their help in the early stage of this study and for fruitful discussions on the experimental results. This work was supported by JSPS KAKENHI Grant Numbers 17K19090 and 20H02829. Publisher Copyright: © 2021 The Physical Society of Japan

PY - 2021

Y1 - 2021

N2 - We report an analysis of the dielectric glasslike state of the spin- and charge-ordered system Lu2Fe3O7, which has structural and physical properties analogous to those of the electronic ferroelectrics RFe2O4 (R: rare earth). Aging and memory effects of resistivity were found in the electric impedance response. We performed a numerical analysis with equivalent electric circuits that have a logarithmic Gaussian distribution of resistance and capacitance. The distribution parameters well explained the glassy nature of the electric and dielectric properties between 100 and 200 K and the distribution variations of charge- and magnetic-ordered domains underlying the glass nature.

AB - We report an analysis of the dielectric glasslike state of the spin- and charge-ordered system Lu2Fe3O7, which has structural and physical properties analogous to those of the electronic ferroelectrics RFe2O4 (R: rare earth). Aging and memory effects of resistivity were found in the electric impedance response. We performed a numerical analysis with equivalent electric circuits that have a logarithmic Gaussian distribution of resistance and capacitance. The distribution parameters well explained the glassy nature of the electric and dielectric properties between 100 and 200 K and the distribution variations of charge- and magnetic-ordered domains underlying the glass nature.

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JF - journal of the physical society of japan

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Analysis of glass behavior of lu₂fe₃o₇ with distributed equivalent circuit model

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