Role of rare earth ion in spin glass behavior for R0.7Sr1.3MnO4

Chang Seop Hong, Wan Seop Kim, Eun Ok Chi, Nam Hwi Hur, Yong Nam Choi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Magnetic and structural properties for melt-grown single crystals of monolayered manganites R0.7Sr1.3MnO4 (R = La, Pr, and Nd), possessing the K2NiF4 type structure, have been investigated. On the bases of magnetization, neutron powder diffraction, and relaxation measurements, it is revealed that all the three compounds display spin glass behaviors in the low-temperature region. In La0.7Sr1.3MnO4, spin glass behaviors are observed isotropically both in the ab plane and along the c axis. In contrast, Pr0.7Sr1.3MnO4 and Nd0.7Sr1.3MnO4 show anisotropic spin glass transition. The salient feature of spin glass behavior found in the Pr- and Nd-doped compounds can be understood in terms of the enhanced lattice distortion induced by small rare earth ion as well as the magnetic anisotropy of the rare earth ions.

Original languageEnglish
Pages (from-to)1832-1838
Number of pages7
JournalChemistry of Materials
Volume14
Issue number4
DOIs
Publication statusPublished - 2002 Apr 29
Externally publishedYes

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Spin glass
Rare earths
Ions
Manganites
Neutron powder diffraction
Magnetic anisotropy
Structural properties
Glass transition
Magnetization
Magnetic properties
Single crystals
Temperature

ASJC Scopus subject areas

  • Materials Chemistry
  • Materials Science(all)

Cite this

Role of rare earth ion in spin glass behavior for R0.7Sr1.3MnO4 . / Hong, Chang Seop; Kim, Wan Seop; Chi, Eun Ok; Hur, Nam Hwi; Choi, Yong Nam.

In: Chemistry of Materials, Vol. 14, No. 4, 29.04.2002, p. 1832-1838.

Research output: Contribution to journalArticle

Hong, Chang Seop ; Kim, Wan Seop ; Chi, Eun Ok ; Hur, Nam Hwi ; Choi, Yong Nam. / Role of rare earth ion in spin glass behavior for R0.7Sr1.3MnO4 In: Chemistry of Materials. 2002 ; Vol. 14, No. 4. pp. 1832-1838.
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N2 - Magnetic and structural properties for melt-grown single crystals of monolayered manganites R0.7Sr1.3MnO4 (R = La, Pr, and Nd), possessing the K2NiF4 type structure, have been investigated. On the bases of magnetization, neutron powder diffraction, and relaxation measurements, it is revealed that all the three compounds display spin glass behaviors in the low-temperature region. In La0.7Sr1.3MnO4, spin glass behaviors are observed isotropically both in the ab plane and along the c axis. In contrast, Pr0.7Sr1.3MnO4 and Nd0.7Sr1.3MnO4 show anisotropic spin glass transition. The salient feature of spin glass behavior found in the Pr- and Nd-doped compounds can be understood in terms of the enhanced lattice distortion induced by small rare earth ion as well as the magnetic anisotropy of the rare earth ions.

AB - Magnetic and structural properties for melt-grown single crystals of monolayered manganites R0.7Sr1.3MnO4 (R = La, Pr, and Nd), possessing the K2NiF4 type structure, have been investigated. On the bases of magnetization, neutron powder diffraction, and relaxation measurements, it is revealed that all the three compounds display spin glass behaviors in the low-temperature region. In La0.7Sr1.3MnO4, spin glass behaviors are observed isotropically both in the ab plane and along the c axis. In contrast, Pr0.7Sr1.3MnO4 and Nd0.7Sr1.3MnO4 show anisotropic spin glass transition. The salient feature of spin glass behavior found in the Pr- and Nd-doped compounds can be understood in terms of the enhanced lattice distortion induced by small rare earth ion as well as the magnetic anisotropy of the rare earth ions.

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