Influence of Hydrostatic Pressure on Magnetic Properties of (Sr,La)(Ru,Cr,Mn)O_3

• Authors: J. Piętosa , A. Wiśniewski , R. Puźniak , S. Kolesnik , M. Majjiga , B. Dabrowski
• Languages of publication: EN

Abstracts

EN

An influence of hydrostatic pressure, P, on phase transition temperature, T_C, and spontaneous magnetisation, M_0, of selected perovskite ruthenates (SrRuO_3, La_{0.2}Sr_{0.8}RuO_3, SrRu_{0.9}Mn_{0.1}O_3, and SrRu_{0.9}Cr_{0.1}O_3) was determined to 12 kbar. A decrease in T_C with pressure was found for all of the studied samples. The M_0(P) remains unchanged for most of the samples, except for the La_{0.2}Sr_{0.8}RuO_3 sample. The weakening of ferromagnetic interactions with increasing pressure is consistent with complex band structure effects related to the modulation of the Ru-O hybridisation by the change of structural distortion.

Keywords

EN

75.30.-m; 75.30.Kz

Discipline

• 75.30.Kz: Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.)(for ferroelectric phase transitions, see 77.80.B-; for superconductivity phase diagrams, see 74.25.Dw)
• 75.30.-m: Intrinsic properties of magnetically ordered materials(for critical point effects, see 75.40.-s; for magnetotransport phenomena, see 75.47.-m)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2007
• Volume: 111
• Issue: 1
• Pages: 159-163

Dates

published

2007-01

received

2006-09-04

Contributors

author

J. Piętosa

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

A. Wiśniewski

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

R. Puźniak

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland

author

S. Kolesnik

• Physics Department, Northern Illinois University, De Kalb, IL 60115, USA

author

M. Majjiga

• Physics Department, Northern Illinois University, De Kalb, IL 60115, USA

author

B. Dabrowski

• Physics Department, Northern Illinois University, De Kalb, IL 60115, USA

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Identifiers

DOI

10.12693/APhysPolA.111.159