Accession Number:
AD0285553
Title:
THE HEAT CAPACITY OF CU(HCO2)2.4H20 BETWEEN 10 DEGREES AND 100 K
Descriptive Note:
Corporate Author:
CARNEGIE INST OF TECH PITTSBURGH PA
Personal Author(s):
Report Date:
1962-09-11
Pagination or Media Count:
1.0
Abstract:
The heat capacity of CuHCO22.4H2O was measured between 10 and 100 K in a vacuum calorimeter. No pronounced anomalous peaks are observed near 16.8 K or 62 K, temperatures at which susceptibility maxima appear. A consistent explanation of these facts is provided by the assumption that most of the spin entropy is lost by shortrange ordering on cooling through a wide temperature region around 62 K so that the lower transition, while abrupt, is accompanied by a very small entropy change. Author