Electrical Resistivity Measurements of Manganite La0.95Sr0.05MnO3 Under Uniaxial Pressure at High Temperature

We designed and fabricated a new uniaxial pressure device for doing resistivity measurements under uniaxial pressure at a high-temperature region (300 K–800 K). This uniaxial pressure device was tested with La 0.95 Sr 0.05 MnO 3 and we have measured the resistivity in the temperature region (400 K–7...

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Bibliographic Details
Published inJournal of superconductivity and novel magnetism Vol. 32; no. 8; pp. 2467 - 2469
Main Authors Muruganantham, S., Kumararaman, S., Tamilselvan, N. R., Thaila, T., Subbaraman, K.
Format Journal Article
LanguageEnglish
Published New York Springer US 15.08.2019
Subjects
Characterization and Evaluation of Materials
Condensed Matter Physics
Magnetic Materials
Magnetism
Original Paper
Physics
Physics and Astronomy
Strongly Correlated Systems
Superconductivity
High temperature
Colossal magnetoresistance
Uniaxial pressure
Jahn-Teller distortion
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Summary:We designed and fabricated a new uniaxial pressure device for doing resistivity measurements under uniaxial pressure at a high-temperature region (300 K–800 K). This uniaxial pressure device was tested with La 0.95 Sr 0.05 MnO 3 and we have measured the resistivity in the temperature region (400 K–700 K). We found the drastic variation in the John-Teller Distortion by increasing the pressure and this may be due to the increase in disorder in the structure. The disorder increases due to non-uniform variation of Mn–O bond length in the structure.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-018-4969-0