Magnetic susceptibility and heat capacity of Ce/sub 2/Sn/sub 5/
Low-temperature (1.5--20 K) high-field (0--10 T) heat-capacity and magnetic-susceptibility (1.5--300 K) studies have been carried out on Ce/sub 2/Sn/sub 5/. These studies reveal that Ce/sub 2/Sn/sub 5/ orders magnetically at 3 K and exhibits Curie-Weiss behavior above 120 K with p/sub eff/ = 2.56..mu../sub B/ indicating that Ce is trivalent in Ce/sub 2/Sn/sub 5/. The peak in the heat capacity is suppressed in applied magnetic fields and disappears completely at high fields (>5.4 T) which suggests that the magnetic ordering is antiferromagnetic or ferrimagnetic. The magnetic entropy is about 42% of the theoretical expected entropy for a doublet ground state. The coefficient of the electronic heat capacity, which was derived from extrapolation of the heat-capacity data above the ordering temperature, is 22 mJ/mole-CeX sup 2: . It is suggested that both magnetic Ruderman-Kittel-Kasuya-Yosida and Kondo exchange interactions coexist in this compound.
- Research Organization:
- Ames Laboratory, Iowa State University, Ames, Iowa 50011 and Department of Materials Science and Engineering, Iowa State University, Ames, Iowa 50011
- OSTI ID:
- 6094409
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 35:7; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360104* -- Metals & Alloys-- Physical Properties
ALLOYS
ANTIFERROMAGNETISM
CERIUM ALLOYS
CURIE-WEISS LAW
DATA
ENTROPY
EXCHANGE INTERACTIONS
EXPERIMENTAL DATA
FERROMAGNETISM
INFORMATION
INTERACTIONS
KONDO EFFECT
LOW TEMPERATURE
MAGNETIC FIELDS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MAGNETISM
MEDIUM TEMPERATURE
NUMERICAL DATA
PHYSICAL PROPERTIES
RARE EARTH ALLOYS
SPECIFIC HEAT
THERMODYNAMIC PROPERTIES
TIN ALLOYS
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE