Internal chemical pressure effect and magnetic properties of La0.6(Sr0.4-xBax)MnO3

C. H. Shen; C. C. Chen; R. S. Liu; R. Gundakaram; S. F. Hu; J. M. Chen

doi:10.1006/jssc.2000.8970

Internal chemical pressure effect and magnetic properties of La_0.6(Sr_0.4-xBa_x)MnO₃

C. H. Shen, C. C. Chen, R. S. Liu^*, R. Gundakaram, S. F. Hu, J. M. Chen

^*Corresponding author for this work

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

13 Citations (Scopus)

Abstract

The effect of isovalent chemical substitution of Ba²⁺ into the Sr²⁺ sites on the structural and magnetic transition in La_0.6(Sr_0.4-xBa_x)MnO₃ (x=0-0.4) has been investigated. The rhombohedral structure with space group R-3c is observed in this series of materials. Substitution of Sr and Ba in the La site changes the structural parameters such as the Mn-O bond lengths, thus allowing the study of the effect of the structure on magnetic properties. An increase in the Mn-O bond distance with increasing Ba content leads to a decrease in T_c (the temperature of the paramagnetic to ferromagnetic transition).

Original language	English
Pages (from-to)	117-121
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	156
Issue number	1
DOIs	https://doi.org/10.1006/jssc.2000.8970
Publication status	Published - 2001
Externally published	Yes

Keywords

Chemical substitution
Colossal magnetoresistance
Ferromagnetic transition
Internal chemical pressure
La(SrBa)MnO
Paramagnetic transition

ASJC Scopus subject areas

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

Access to Document

10.1006/jssc.2000.8970

Cite this

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title = "Internal chemical pressure effect and magnetic properties of La0.6(Sr0.4-xBax)MnO3",

abstract = "The effect of isovalent chemical substitution of Ba2+ into the Sr2+ sites on the structural and magnetic transition in La0.6(Sr0.4-xBax)MnO3 (x=0-0.4) has been investigated. The rhombohedral structure with space group R-3c is observed in this series of materials. Substitution of Sr and Ba in the La site changes the structural parameters such as the Mn-O bond lengths, thus allowing the study of the effect of the structure on magnetic properties. An increase in the Mn-O bond distance with increasing Ba content leads to a decrease in Tc (the temperature of the paramagnetic to ferromagnetic transition).",

keywords = "Chemical substitution, Colossal magnetoresistance, Ferromagnetic transition, Internal chemical pressure, La(SrBa)MnO, Paramagnetic transition",

author = "Shen, {C. H.} and Chen, {C. C.} and Liu, {R. S.} and R. Gundakaram and Hu, {S. F.} and Chen, {J. M.}",

note = "Funding Information: This research has been {"}nancially supported by the National Science Council of the Republic of China under grant number NSC 89-2113-M-002-004.",

year = "2001",

doi = "10.1006/jssc.2000.8970",

language = "English",

volume = "156",

pages = "117--121",

journal = "Journal of Solid State Chemistry",

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publisher = "Academic Press Inc.",

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TY - JOUR

T1 - Internal chemical pressure effect and magnetic properties of La0.6(Sr0.4-xBax)MnO3

AU - Shen, C. H.

AU - Chen, C. C.

AU - Liu, R. S.

AU - Gundakaram, R.

AU - Hu, S. F.

AU - Chen, J. M.

N1 - Funding Information: This research has been "nancially supported by the National Science Council of the Republic of China under grant number NSC 89-2113-M-002-004.

PY - 2001

Y1 - 2001

N2 - The effect of isovalent chemical substitution of Ba2+ into the Sr2+ sites on the structural and magnetic transition in La0.6(Sr0.4-xBax)MnO3 (x=0-0.4) has been investigated. The rhombohedral structure with space group R-3c is observed in this series of materials. Substitution of Sr and Ba in the La site changes the structural parameters such as the Mn-O bond lengths, thus allowing the study of the effect of the structure on magnetic properties. An increase in the Mn-O bond distance with increasing Ba content leads to a decrease in Tc (the temperature of the paramagnetic to ferromagnetic transition).

AB - The effect of isovalent chemical substitution of Ba2+ into the Sr2+ sites on the structural and magnetic transition in La0.6(Sr0.4-xBax)MnO3 (x=0-0.4) has been investigated. The rhombohedral structure with space group R-3c is observed in this series of materials. Substitution of Sr and Ba in the La site changes the structural parameters such as the Mn-O bond lengths, thus allowing the study of the effect of the structure on magnetic properties. An increase in the Mn-O bond distance with increasing Ba content leads to a decrease in Tc (the temperature of the paramagnetic to ferromagnetic transition).

KW - Chemical substitution

KW - Colossal magnetoresistance

KW - Ferromagnetic transition

KW - Internal chemical pressure

KW - La(SrBa)MnO

KW - Paramagnetic transition

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DO - 10.1006/jssc.2000.8970

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