Thermodynamic study of orthorhombic Tx and tetragonal T′ lanthanum cuprate, La2CuO4
Thermodynamic study of orthorhombic Tx and tetragonal T′ lanthanum cuprate, La2CuO4
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斜方晶系 Tx 和四方晶系 Tâ² 铜酸镧 (La2CuO4) 的热力学研究
DOI:
10.1016/j.jssc.2013.05.005
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发表时间:
2013
影响因子:
3.3
通讯作者:
A. Navrotsky
中科院分区:
文献类型:
--
作者:
K. I. Lilova;R. Hord;L. Alff;B. Albert;A. Navrotsky
The enthalpies of transition among the Tx, T′, and T–La2CuO4phases are obtained from a combination of differential scanning calorimetry, high temperature oxide melt solution calorimetry, and transposed temperature drop calorimetry. The enthalpy of transformation of Txto T is 2.32±0.07 kJ/mol and the corresponding entropy of transition is 4.38±0.13 J/(mol K). The T′ modification, with an average of 1.40 kJ/mol, is less stable in enthalpy than Txbut at 0.96 kJ/mol, more stable in enthalpy than T. Although we cannot rule out a small stability field at temperatures near the Tx–T transition at 530 K, T′ is most likely metastable at all temperatures.
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DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
Roland Hord;Alexander Buckow;Gwendolyne Pascua;Hubertus Luetkens;K. Weber;M. Günther;Hans;Lambert Alff;B. Albert
通讯作者:
B. Albert
DOI:
--
发表时间:
1993
期刊:
影响因子:
--
作者:
K. Mocała;A. Navrotsky;J. Bringley;B. A. Scott;M. Frisch;T. Shaw
通讯作者:
T. Shaw
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
Roland Hord;G. Cordier;K. Hofmann;A. Buckow;G. Pascua;H. Luetkens;L. Alff;B. Albert
通讯作者:
B. Albert
影响因子:
3.7
作者:
Krockenberger, Y.;Kurian, J.;Alff, L.
通讯作者:
Alff, L.
DOI:
10.1007/bf01303701
发表时间:
1986-01-01
期刊:
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER
影响因子:
--
作者:
BEDNORZ, JG;MULLER, KA
通讯作者:
MULLER, KA