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Proceedings Paper

Growth and investigation of LaxRE1-xF3 (RE=Ce,Pr,Nd) single crystals
Author(s): Mieczyslaw L. Paradowski; Wieslawa Korczak; Lucjan E. Misiak; Zbigniew Korczak
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Paper Abstract

The mixed LaxRE1-xF3 (RE equals Ce, Pr, Nd) single crystals doped with Gd3+ (0.1 mol%) were grown by a modified Bridgmann-Stockbarger method using an induction furnace. The quality of crystals were controlled by X-ray diffraction and EPR technique, in addition the observation of defects with the polarizing microscope after chemical etching with acid was performed. The behavior of surrounding Gd3+ ions in hexagonal matrices was investigated at different temperatures (4.2 - 300 K), analyzing EPR data in the light of the superposition model. The distortion of the site symmetry of Gd3+ ions from the C2v towards C2 was observed in La0.9Nd0.1F3 at 4.2 K. The low temperature magnetic ordering was determined to be antiferromagnetic (TN equals 0.4 K for NdF3 and TN equals 0.03 K for La0.9Nd0.1F3 using the molecular field theory).

Paper Details

Date Published: 24 March 1999
PDF: 5 pages
Proc. SPIE 3724, International Conference on Solid State Crystals '98: Single Crystal Growth, Characterization, and Applications, (24 March 1999); doi: 10.1117/12.343026
Show Author Affiliations
Mieczyslaw L. Paradowski, Marie Curie-Sklodowska Univ. (Poland)
Wieslawa Korczak, Marie Curie-Sklodowska Univ. (Poland)
Lucjan E. Misiak, Marie Curie-Sklodowska Univ. (Poland)
Zbigniew Korczak, Marie Curie-Sklodowska Univ. (Poland)


Published in SPIE Proceedings Vol. 3724:
International Conference on Solid State Crystals '98: Single Crystal Growth, Characterization, and Applications
Andrzej Majchrowski; Jerzy Zielinski, Editor(s)

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