Structural and magnetic properties of the solid solution (0≤ x ≤ 1) YMn1-x(Cu3/4Mo1/4)xO3

Sylvie Malo, Antoine Maignan, Sylvain Marinel, Maryvonne Hervieu, Kenneth R Poeppelmeier, Bernard Raveau

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Recently, the ferroelectromagnet YMnO3 has been the focus of interest because it exhibits both antiferromagnetism (Néel temperature ∼80 K) and ferroelectricity (Curie temperature ∼914 K). There have been no reports of complete YMn1-xMxO3 solid solutions in which substitution of the foreign M cation preserves the hexagonal P63cm structure. In contrast there exist several homeotypic phases with the general formula, Ln1+nCunMO3+3n (n=1 (M=Ti), 2 (M=V) and 3 (M=Mo); Ln: lanthanide). Several YMn 1-x(Cu3/4Mo1/4)xO3 compounds have been synthesized. The solid solution, from YMnO3 (x=0) to YCu3/4Mo1/4O3 (x=1) has been characterized by X-ray diffraction and transmission electron microscopy study. For 03cm, of YMnO3. The Mn-free end member, x=1, crystallizes in a complex multiple cell, the superstructure being associated to Cu3+/Mo6+ cationic ordering. Dilution of the Mn3+ magnetic array by the paramagnetic (Cu2+) and diamagnetic (Mo6+) cations is found to decrease the antiferromagnetic ordering temperature and it becomes undetectable for x≥0.5 compositions.

Original languageEnglish
Pages (from-to)1492-1499
Number of pages8
JournalSolid State Sciences
Volume7
Issue number12
DOIs
Publication statusPublished - Dec 2005

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Cations
Structural properties
Solid solutions
Magnetic properties
solid solutions
Positive ions
magnetic properties
Antiferromagnetism
cations
Ferroelectricity
Lanthanoid Series Elements
ferroelectricity
antiferromagnetism
Curie temperature
Rare earth elements
Dilution
dilution
Substitution reactions
substitutes
Transmission electron microscopy

Keywords

  • Electron Microscopy
  • Hexagonal structure
  • Magnetic properties
  • Solid solution

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Structural and magnetic properties of the solid solution (0≤ x ≤ 1) YMn1-x(Cu3/4Mo1/4)xO3. / Malo, Sylvie; Maignan, Antoine; Marinel, Sylvain; Hervieu, Maryvonne; Poeppelmeier, Kenneth R; Raveau, Bernard.

In: Solid State Sciences, Vol. 7, No. 12, 12.2005, p. 1492-1499.

Research output: Contribution to journalArticle

Malo, Sylvie ; Maignan, Antoine ; Marinel, Sylvain ; Hervieu, Maryvonne ; Poeppelmeier, Kenneth R ; Raveau, Bernard. / Structural and magnetic properties of the solid solution (0≤ x ≤ 1) YMn1-x(Cu3/4Mo1/4)xO3. In: Solid State Sciences. 2005 ; Vol. 7, No. 12. pp. 1492-1499.
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abstract = "Recently, the ferroelectromagnet YMnO3 has been the focus of interest because it exhibits both antiferromagnetism (N{\'e}el temperature ∼80 K) and ferroelectricity (Curie temperature ∼914 K). There have been no reports of complete YMn1-xMxO3 solid solutions in which substitution of the foreign M cation preserves the hexagonal P63cm structure. In contrast there exist several homeotypic phases with the general formula, Ln1+nCunMO3+3n (n=1 (M=Ti), 2 (M=V) and 3 (M=Mo); Ln: lanthanide). Several YMn 1-x(Cu3/4Mo1/4)xO3 compounds have been synthesized. The solid solution, from YMnO3 (x=0) to YCu3/4Mo1/4O3 (x=1) has been characterized by X-ray diffraction and transmission electron microscopy study. For 03cm, of YMnO3. The Mn-free end member, x=1, crystallizes in a complex multiple cell, the superstructure being associated to Cu3+/Mo6+ cationic ordering. Dilution of the Mn3+ magnetic array by the paramagnetic (Cu2+) and diamagnetic (Mo6+) cations is found to decrease the antiferromagnetic ordering temperature and it becomes undetectable for x≥0.5 compositions.",
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AB - Recently, the ferroelectromagnet YMnO3 has been the focus of interest because it exhibits both antiferromagnetism (Néel temperature ∼80 K) and ferroelectricity (Curie temperature ∼914 K). There have been no reports of complete YMn1-xMxO3 solid solutions in which substitution of the foreign M cation preserves the hexagonal P63cm structure. In contrast there exist several homeotypic phases with the general formula, Ln1+nCunMO3+3n (n=1 (M=Ti), 2 (M=V) and 3 (M=Mo); Ln: lanthanide). Several YMn 1-x(Cu3/4Mo1/4)xO3 compounds have been synthesized. The solid solution, from YMnO3 (x=0) to YCu3/4Mo1/4O3 (x=1) has been characterized by X-ray diffraction and transmission electron microscopy study. For 03cm, of YMnO3. The Mn-free end member, x=1, crystallizes in a complex multiple cell, the superstructure being associated to Cu3+/Mo6+ cationic ordering. Dilution of the Mn3+ magnetic array by the paramagnetic (Cu2+) and diamagnetic (Mo6+) cations is found to decrease the antiferromagnetic ordering temperature and it becomes undetectable for x≥0.5 compositions.

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