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2004
Electric properties
D 8000
Thermoelectric Properties of Fe2TiAl Heusler Alloys. — The influence of partial
substitution of Fe or Ti by Ni, Co, or Cr in Fe2TiAl on the thermoelectric properties is
46- 011 studied.
In the Heusler single-phase region the Seebeck coefficient decreases when a
fourth elements are introduced. The maximum and minimum Seebeck coefficients are
50 µV/K for Fe2(Ti0.6Cr0.4)Al and -34 µV/K for (Fe0.2Co0.8)2TiAl, respectively. The electric conductivities are metallic judged by their temperature dependency. The characteristic semiconducting behavior of the Fe2VAl Heusler alloy due to a pseudo gap in the
density of state is not observed in the substituted Fe2TiAl alloys. — (SUZUKI*, R.
O.; KYONO, T.; J. Alloys Compd. 377 (2004) 1-2, 38-42; Dep. Energy Sci. Technol.,
Kyoto Univ., Sakyo, Kyoto 606, Japan; Eng.) — Schramke
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