1991
DOI: 10.1002/pssb.2221630216
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Thermal Properties of TmGa3

Abstract: Heat capacity and thermal expansion of TmGa, single crystal are reported. At low temperatures in comparison to TN the heat capacity and thermal expansion coefficient have a T3 exp (d/T) dependence with an energy gap d in the spin-wave spectrum equal to 1.15 K. In the paramagnetic state the crystal-field contribution to the thermal properties of TmGa, is analysed.Es wird iiber Messungen der Warmekapazitat und des thermischen Ausdehungskoeffizienten an monokristallinem TmGa, berichtet. Bei tiefen Temperaturen im… Show more

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“…We observe a clear Kondo behaviour in the thermal conductivity of TmGa 3 , similarly as we previously found such a behaviour in the case of TmIn 3 [11]. TmGa 3 undergoes two first-order transitions very close to each other at T N Z4.26 K and T Q Z 4.29 K, corresponding to antiferromagnetic and quadrupolar orderings [12]. The magnetic resistivity r m of TmGa 3 , taken as the difference between the resistivities of TmGa 3 and LuGa 3 , exhibits a clear log T behavior between 50 and 250 K [13].…”
supporting
confidence: 88%
“…We observe a clear Kondo behaviour in the thermal conductivity of TmGa 3 , similarly as we previously found such a behaviour in the case of TmIn 3 [11]. TmGa 3 undergoes two first-order transitions very close to each other at T N Z4.26 K and T Q Z 4.29 K, corresponding to antiferromagnetic and quadrupolar orderings [12]. The magnetic resistivity r m of TmGa 3 , taken as the difference between the resistivities of TmGa 3 and LuGa 3 , exhibits a clear log T behavior between 50 and 250 K [13].…”
supporting
confidence: 88%