Preparation, electronic, and magnetic properties of Sr3V2O6.99

J. G. Lee; K. V. Ramanujachary; M. Greenblatt

doi:10.1006/jssc.1995.1347

Preparation, electronic, and magnetic properties of Sr₃V₂O_6.99

J. G. Lee, K. V. Ramanujachary, M. Greenblatt

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

8 Scopus citations

Abstract

Synthesis, electrical, and magnetic properties of a layered perovskite-related compound, Sr₃V₂O_6.99, are reported. Powder X-ray diffraction analysis confirmed the body-centered tetragonal (I4/mmm) structure as proposed earlier. The electrical resistivity of the sample is 0.054 Ω · cm at room temperature and decreases with temperature down to 15 K, with a T² dependence in the range 15-150 K. The temperature-dependent magnetic susceptibility shows a small cusp at ∼ 110 K. Spin-glass-like behavior is observed in the temperature range 5-26 K as evidenced by irreversibility of the zero-field-cooled and field-cooled magnetization curves. The spin-glass dynamics of the sample was confirmed via the measurement of the AC susceptibility. The observed electrical and magnetic properties suggest disorder-induced localization of the defects at low temperatures.

Original language	English (US)
Pages (from-to)	292-298
Number of pages	7
Journal	Journal of Solid State Chemistry
Volume	118
Issue number	2
DOIs	https://doi.org/10.1006/jssc.1995.1347
State	Published - Sep 1995
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1006/jssc.1995.1347

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title = "Preparation, electronic, and magnetic properties of Sr3V2O6.99",

abstract = "Synthesis, electrical, and magnetic properties of a layered perovskite-related compound, Sr3V2O6.99, are reported. Powder X-ray diffraction analysis confirmed the body-centered tetragonal (I4/mmm) structure as proposed earlier. The electrical resistivity of the sample is 0.054 Ω · cm at room temperature and decreases with temperature down to 15 K, with a T2 dependence in the range 15-150 K. The temperature-dependent magnetic susceptibility shows a small cusp at ∼ 110 K. Spin-glass-like behavior is observed in the temperature range 5-26 K as evidenced by irreversibility of the zero-field-cooled and field-cooled magnetization curves. The spin-glass dynamics of the sample was confirmed via the measurement of the AC susceptibility. The observed electrical and magnetic properties suggest disorder-induced localization of the defects at low temperatures.",

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T1 - Preparation, electronic, and magnetic properties of Sr3V2O6.99

AU - Lee, J. G.

AU - Ramanujachary, K. V.

AU - Greenblatt, M.

PY - 1995/9

Y1 - 1995/9

N2 - Synthesis, electrical, and magnetic properties of a layered perovskite-related compound, Sr3V2O6.99, are reported. Powder X-ray diffraction analysis confirmed the body-centered tetragonal (I4/mmm) structure as proposed earlier. The electrical resistivity of the sample is 0.054 Ω · cm at room temperature and decreases with temperature down to 15 K, with a T2 dependence in the range 15-150 K. The temperature-dependent magnetic susceptibility shows a small cusp at ∼ 110 K. Spin-glass-like behavior is observed in the temperature range 5-26 K as evidenced by irreversibility of the zero-field-cooled and field-cooled magnetization curves. The spin-glass dynamics of the sample was confirmed via the measurement of the AC susceptibility. The observed electrical and magnetic properties suggest disorder-induced localization of the defects at low temperatures.

AB - Synthesis, electrical, and magnetic properties of a layered perovskite-related compound, Sr3V2O6.99, are reported. Powder X-ray diffraction analysis confirmed the body-centered tetragonal (I4/mmm) structure as proposed earlier. The electrical resistivity of the sample is 0.054 Ω · cm at room temperature and decreases with temperature down to 15 K, with a T2 dependence in the range 15-150 K. The temperature-dependent magnetic susceptibility shows a small cusp at ∼ 110 K. Spin-glass-like behavior is observed in the temperature range 5-26 K as evidenced by irreversibility of the zero-field-cooled and field-cooled magnetization curves. The spin-glass dynamics of the sample was confirmed via the measurement of the AC susceptibility. The observed electrical and magnetic properties suggest disorder-induced localization of the defects at low temperatures.

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Preparation, electronic, and magnetic properties of Sr₃V₂O_6.99

Abstract

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