Magnetic susceptibility and heat capacity of Ce/sub 2/Sn/sub 5/

Journal Article · Sun Mar 01 00:00:00 EST 1987 · Phys. Rev. B: Condens. Matter; (United States)

DOI:https://doi.org/10.1103/PhysRevB.35.3291· OSTI ID:6094409

Dhar, S K; Gschneidner, Jr, K A; McMasters, O D

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), Vol. 35:7
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
CERIUM ALLOYS
MAGNETIC SUSCEPTIBILITY
SPECIFIC HEAT
TIN ALLOYS
ANTIFERROMAGNETISM
CURIE-WEISS LAW
ENTROPY
EXCHANGE INTERACTIONS
EXPERIMENTAL DATA
FERROMAGNETISM
KONDO EFFECT
LOW TEMPERATURE
MAGNETIC FIELDS
MAGNETIC PROPERTIES
MEDIUM TEMPERATURE
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE
ALLOYS
DATA
INFORMATION
INTERACTIONS
MAGNETISM
NUMERICAL DATA
PHYSICAL PROPERTIES
RARE EARTH ALLOYS
THERMODYNAMIC PROPERTIES
360104* - Metals & Alloys- Physical Properties