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ETDEWEB   /       /    Thermodynamic properties of Y/sub 3/Fe/sub 5/O/sub 12/ and TbFeO/sub 3/

Thermodynamic properties of Y/sub 3/Fe/sub 5/O/sub 12/ and TbFeO/sub 3/

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Abstract

Two types of chemical compounds-garnets and perovskites - exist in Fe/sub 2/O/sub 3/-Y/sub 2/O/sub 3/ and Fe/sub 2/O/sub 3/-Tb/sub 2/..omega../sub 3/ systems. Both of them are noncompensated antiferromagnetics. Thermal-physical properties of TbFeO/sub 3/ were determined. Values of Csub(p),(Hsub(t)-Hsub(o)) and Ssub(T) in the temperature range 298 to 700 deg K for Y/sub 3/Fe/sub 5/O/sub 12/ and in the range 298 to 600 deg K for TbFeO/sub 3/ were calculated using the experimental data on TbFeO/sub 3/ and Y/sub 3/Fe/sub 5/O/sub 12/ thermal capacity. Magnetic contribution for Y/sub 3/Fe/sub 5/O/sub 12/ Usub(mag)=1617 cal/mol and ..delta..S=3.44 cal/mol.deg. was determined.
Authors:
Shchelkotunov, V A; Danilov, V N; Reznitskii, L A; Korobeinikova, A V [1] 
  1. Moskovskij Gosudarstvennyj Univ. (USSR)
Publication Date:
Jan 01, 1975
Product Type:
Journal Article
Reference Number:
AIX-10-425594; EDB-79-069527
Resource Relation:
Journal Name: Izv. Akad. Nauk SSSR, Neorg. Mater.; (USSR); Journal Volume: 11:9
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; FERRITE GARNETS; THERMODYNAMIC PROPERTIES; IRON OXIDES; TERBIUM OXIDES; YTTRIUM OXIDES; ANTIFERROMAGNETISM; COMPUTER CALCULATIONS; TEMPERATURE DEPENDENCE; CHALCOGENIDES; IRON COMPOUNDS; MAGNETISM; MINERALS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; TERBIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS; 400201* - Chemical & Physicochemical Properties
OSTI ID:
6315537
Country of Origin:
USSR
Language:
Russian
Other Identifying Numbers:
Journal ID: CODEN: IVNMA
Submitting Site:
INIS
Size:
Pages: 1633-1637
Announcement Date:
Apr 01, 1979

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Citation Formats

Shchelkotunov, V A, Danilov, V N, Reznitskii, L A, and Korobeinikova, A V. Thermodynamic properties of Y/sub 3/Fe/sub 5/O/sub 12/ and TbFeO/sub 3/. USSR: N. p., 1975. Web.
Shchelkotunov, V A, Danilov, V N, Reznitskii, L A, & Korobeinikova, A V. Thermodynamic properties of Y/sub 3/Fe/sub 5/O/sub 12/ and TbFeO/sub 3/. USSR.
Shchelkotunov, V A, Danilov, V N, Reznitskii, L A, and Korobeinikova, A V. 1975. "Thermodynamic properties of Y/sub 3/Fe/sub 5/O/sub 12/ and TbFeO/sub 3/." USSR.
@misc{etde_6315537,
title = {Thermodynamic properties of Y/sub 3/Fe/sub 5/O/sub 12/ and TbFeO/sub 3/}
 author = {Shchelkotunov, V A, Danilov, V N, Reznitskii, L A, and Korobeinikova, A V}
 abstractNote = {Two types of chemical compounds-garnets and perovskites - exist in Fe/sub 2/O/sub 3/-Y/sub 2/O/sub 3/ and Fe/sub 2/O/sub 3/-Tb/sub 2/..omega../sub 3/ systems. Both of them are noncompensated antiferromagnetics. Thermal-physical properties of TbFeO/sub 3/ were determined. Values of Csub(p),(Hsub(t)-Hsub(o)) and Ssub(T) in the temperature range 298 to 700 deg K for Y/sub 3/Fe/sub 5/O/sub 12/ and in the range 298 to 600 deg K for TbFeO/sub 3/ were calculated using the experimental data on TbFeO/sub 3/ and Y/sub 3/Fe/sub 5/O/sub 12/ thermal capacity. Magnetic contribution for Y/sub 3/Fe/sub 5/O/sub 12/ Usub(mag)=1617 cal/mol and ..delta..S=3.44 cal/mol.deg. was determined.}
 journal = []
 volume = {11:9}
 journal type = {AC}
 place = {USSR}
 year = {1975}
 month = {Jan}
 }