Pressure effect on magnetic properties of La0.67Ca0.33(CoxMn1-x)O3 ceramics

M. Zentková; M. Mihalik; Z. Arnold; J. Kamarád; Gerhard Gritzner

Pressure effect on magnetic properties of La0.67Ca0.33(CoxMn1-x)O3 ceramics

M. Zentková
, M. Mihalik (Herausgeber*in)
, Z. Arnold
, J. Kamarád
, Gerhard Gritzner

Institut für Chemische Technologie Anorganischer Stoffe

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

Abstract

In this communication, we compare effects of hydrostatic and chemical pressure on the magnetic properties of La0.67Ca0.33(CoxMn1−x)O3 ceramics. For ceramics with x = 0.03, the Curie temperature TC increases under hydrostatic pressure with a slope dTc/dp = +23.4 K/GPa. The saturated magnetization μs does not change with applied hydrostatic pressure. Chemical pressure was induced by substitution of Co for Mn. The substitution from x = 0.03 to x = 0.1 reduces the volume of the elementary cell by about 0.28 %, but TC decreases from 203.4 to 167 K. The saturated magnetization μs is not affected by this substitution.

Originalsprache	Englisch
Seiten (von - bis)	12-16
Seitenumfang	5
Fachzeitschrift	High Pressure Research
Volume	30
Ausgabenummer	1
Publikationsstatus	Veröffentlicht - März 2010

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104005 Elektrochemie
104006 Festkörperchemie
104014 Oberflächenchemie
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105113 Kristallographie
105116 Mineralogie
503013 Fachdidaktik Naturwissenschaften
204 Chemische Verfahrenstechnik
204001 Anorganisch-chemische Technologie
205016 Werkstoffprüfung
210006 Nanotechnologie
211104 Metallurgie

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TNF Allgemein

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abstract = "In this communication, we compare effects of hydrostatic and chemical pressure on the magnetic properties of La0.67Ca0.33(CoxMn1−x)O3 ceramics. For ceramics with x = 0.03, the Curie temperature TC increases under hydrostatic pressure with a slope dTc/dp = +23.4 K/GPa. The saturated magnetization μs does not change with applied hydrostatic pressure. Chemical pressure was induced by substitution of Co for Mn. The substitution from x = 0.03 to x = 0.1 reduces the volume of the elementary cell by about 0.28 \%, but TC decreases from 203.4 to 167 K. The saturated magnetization μs is not affected by this substitution.",

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