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Raman spectroscopy study of the crystal - melt phase transition of lanthanum, cerium and neodymium trichlorides; Issledovanie fazovogo perekhoda kristall-rasplav trikhloridov lantana, tseriya i neodima metodom spektroskopii KRS

Journal Article:

Abstract

Systematic structural studies of crystalline (over a wide temperature range) and molten LaCl{sub 3}, CeCl{sub 3}, and NdCl{sub 3} salts (near the crystal-melt phase transition temperature) are conducted employing Raman spectroscopy. A change in the trend of temperature dependences of characteristic frequencies is revealed in the pre-melting region of the compounds. This is attributed to an increase in the number of crystal defects due to weakening of a part of Ln-Cl bonds and decreasing of coordination number of chloride anions in the vicinity of rare earth cation.
Authors:
Zakir'yanova, I D; Salyulev, A B [1] 
  1. UrO RAN, Inst. Vysokotemperaturnoj Ehlektrokhimii, Ekaterinburg (Russian Federation)
Publication Date:
Sep 15, 2007
Product Type:
Journal Article
Resource Relation:
Journal Name: Rasplavy; Journal Issue: 5; Other Information: 17 refs., 6 figs
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; CERIUM CHLORIDES; COORDINATION NUMBER; CRYSTALS; LANTHANUM CHLORIDES; MELTING; MOLTEN SALTS; NEODYMIUM CHLORIDES; RAMAN SPECTRA; STRUCTURAL CHEMICAL ANALYSIS; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0273-0400 K; TEMPERATURE RANGE 0400-1000 K; TEMPERATURE RANGE 1000-4000 K
OSTI ID:
21035512
Country of Origin:
Russian Federation
Language:
Russian
Other Identifying Numbers:
Journal ID: ISSN 0235-0106; RASPEM; TRN: RU0801095056277
Submitting Site:
INIS
Size:
page(s) 47-53
Announcement Date:
Jun 20, 2008

Journal Article:

Citation Formats

Zakir'yanova, I D, and Salyulev, A B. Raman spectroscopy study of the crystal - melt phase transition of lanthanum, cerium and neodymium trichlorides; Issledovanie fazovogo perekhoda kristall-rasplav trikhloridov lantana, tseriya i neodima metodom spektroskopii KRS. Russian Federation: N. p., 2007. Web.
Zakir'yanova, I D, & Salyulev, A B. Raman spectroscopy study of the crystal - melt phase transition of lanthanum, cerium and neodymium trichlorides; Issledovanie fazovogo perekhoda kristall-rasplav trikhloridov lantana, tseriya i neodima metodom spektroskopii KRS. Russian Federation.
Zakir'yanova, I D, and Salyulev, A B. 2007. "Raman spectroscopy study of the crystal - melt phase transition of lanthanum, cerium and neodymium trichlorides; Issledovanie fazovogo perekhoda kristall-rasplav trikhloridov lantana, tseriya i neodima metodom spektroskopii KRS." Russian Federation.
@misc{etde_21035512,
title = {Raman spectroscopy study of the crystal - melt phase transition of lanthanum, cerium and neodymium trichlorides; Issledovanie fazovogo perekhoda kristall-rasplav trikhloridov lantana, tseriya i neodima metodom spektroskopii KRS}
author = {Zakir'yanova, I D, and Salyulev, A B}
abstractNote = {Systematic structural studies of crystalline (over a wide temperature range) and molten LaCl{sub 3}, CeCl{sub 3}, and NdCl{sub 3} salts (near the crystal-melt phase transition temperature) are conducted employing Raman spectroscopy. A change in the trend of temperature dependences of characteristic frequencies is revealed in the pre-melting region of the compounds. This is attributed to an increase in the number of crystal defects due to weakening of a part of Ln-Cl bonds and decreasing of coordination number of chloride anions in the vicinity of rare earth cation.}
journal = {Rasplavy}
issue = {5}
place = {Russian Federation}
year = {2007}
month = {Sep}
}