Magnetic properties of Heusler alloy Rh2NiGe

Authors :: Kanomata, T.
Adachi, Y.
Nishihara, H.
Fukumoto, H.
Yanagihashi, H.
Nashima, O.
Morita, H.
Source :: Journal of Alloys & Compounds. Jun2006, Vol. 417 Issue 1/2, p18-22. 5p.
Publication Year :: 2006
Abstract: Abstract: Rh2NiGe crystallizes in Heusler L21 structure. Precise magnetization measurements have been made on Rh2NiGe. The spontaneous magnetic moment at 4.2K and the Curie temperature T C are 0.57μ B/f.u. and 113K, respectively. Below 30K the decrease in the square of the spontaneous magnetization σ s(T)2 is proportional to T 2. However, over a temperature range from 89K to the Curie temperature the decrease in σ s(T)2 is proportiona to T 4/3. The obtained results are analyzed using spin fluctuation theory. [Copyright &y& Elsevier]