Structural, magnetic and electronic transport studies of RAgSn2 compounds (R = Y, Tb, Dy, Ho and Er) with Cu3Au-type
Creators
- 1. Department of Inorganic Chemistry, Ivan Franko Lviv National University, Kyryl and Mephodiy Street, Lviv (Ukraine)
- 2. Department of Materials Engineering and Applied Physics, Lviv Polytechnic National University, Ustyyanovycha Street, Lviv (Ukraine)
- 3. Institute of Physics, Jagiellonian University, Reymonta , Krakow (Poland)
- 4. Institut Néel, CNRS et Université Joseph Fourier, BP, F- Grenoble (France)
Description
RAgSn2 compounds, where R = Y, Tb, Dy, Ho and Er, were synthesized by arc-melting and subsequent annealing at 870 K. The formation of cubic phases with Cu3Au-type structure (space group Pm3m) was studied. Magnetic property measurements showed that in paramagnetic state, the compounds with magnetic rare- earth atoms are Curie-Weiss paramagnets and order antiferromagnetically at low temperatures. YAgSn2 is a Pauli paramagnet in 100-300 K temperature range. The electrical properties of RAgSn2 compounds were investigated by means of electrical resistivity and Seebeck coefficient measurements in 4.2-300 K temperature range. All investigated compounds exhibit metallic type of conductivity. Electronic structure calculations based on full potential linearized augmented plane wave (FLAPW) method is also carried out to probe the magnetic and electronic structures of RAgSn2 compounds. Comparisons between experimental data and calculations are discussed. (author)
Additional details
Publishing Information
- Journal Title
- Bulletin of Materials Science
- Journal Volume
- 36
- Journal Issue
- 7
- Journal Page Range
- p. 1247-1253
- CODEN
- BUMSDW
INIS
- Country of Publication
- India
- Country of Input or Organization
- India
- INIS RN
- 45077586
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- CUBIC LATTICES; DYSPROSIUM; ELECTRIC CONDUCTIVITY; ERBIUM; INTERMETALLIC COMPOUNDS; PARAMAGNETISM; TEMPERATURE DEPENDENCE; YTTRIUM
- Descriptors DEC
- ALLOYS; CRYSTAL LATTICES; CRYSTAL STRUCTURE; ELECTRICAL PROPERTIES; ELEMENTS; MAGNETISM; METALS; PHYSICAL PROPERTIES; RARE EARTHS; TRANSITION ELEMENTS
Optional Information
- Notes
- 38 refs., 10 figs., 1 tab.