Li nonstoichiometry and crystal growth of an untwinned one-dimensional quantum spin system LixCu2O2

H. C. Hsu, H. L. Liu, F. C. Chou

研究成果: 雜誌貢獻文章

12 引文 (Scopus)

摘要

Floating-zone growth of untwinned single crystal of LixCu 2O2 with high Li content of x∼0.99±0.03 is reported. Li content of LixCu2O2 has been determined accurately through combined iodometric titration and thermogravimetric (TGA) methods, which also ruled out the speculation of chemical disorder between Li and Cu ions. The morphology and physical properties of single crystals obtained from slowing-cooling and floating-zone methods are compared. The floating-zone growth under Ar/O2=7:1 gas mixture at 0.64 MPa produces large area of untwinned crystal with highest Li content, which has the lowest helimagnetic ordering temperature ∼19 K in the Li xCu2O2 system.

原文英語
文章編號212401
期刊Physical Review B - Condensed Matter and Materials Physics
78
發行號21
DOIs
出版狀態已發佈 - 2008 十二月 1

指紋

Crystallization
Crystal growth
floating
crystal growth
Single crystals
Titration
Gas mixtures
Physical properties
single crystals
Ions
Cooling
titration
Crystals
gas mixtures
physical properties
disorders
cooling
Temperature
crystals
ions

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

引用此文

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AB - Floating-zone growth of untwinned single crystal of LixCu 2O2 with high Li content of x∼0.99±0.03 is reported. Li content of LixCu2O2 has been determined accurately through combined iodometric titration and thermogravimetric (TGA) methods, which also ruled out the speculation of chemical disorder between Li and Cu ions. The morphology and physical properties of single crystals obtained from slowing-cooling and floating-zone methods are compared. The floating-zone growth under Ar/O2=7:1 gas mixture at 0.64 MPa produces large area of untwinned crystal with highest Li content, which has the lowest helimagnetic ordering temperature ∼19 K in the Li xCu2O2 system.

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