• Corpus ID: 222090379

Low-temperature thermal conductivity of Co$_{1-x}$M$_x$Si (M=Fe, Ni) alloys

@article{Ivanov2020LowtemperatureTC,
  title={Low-temperature thermal conductivity of Co\$\_\{1-x\}\$M\$\_x\$Si (M=Fe, Ni) alloys},
  author={Yu. V. Ivanov and Aleksandr A. Levin and Sergey Novikov and D A Pshenay-Severin and M. Volkov and A. Yu. Zyuzin and Alexander T. Burkov and Takao Nakama and Lauritz Ule Schnatmann and Heiko Reith and Kornelius Nielsch},
  journal={arXiv: Materials Science},
  year={2020}
}
We study the low-temperature electrical and thermal conductivity of CoSi and Co$_{1-x}$M$_x$Si alloys (M = Fe, Ni; $x \leq$ 0.06). Measurements show that the low-temperature electrical conductivity of Co$_{1-x}$Fe$_{x}$Si alloys decreases at $x > $ 0.01 by an order of magnitude compared with that of pure CoSi. It was expected that both the lattice and electronic contributions to thermal conductivity would decrease in the alloys. However, our experimental results revealed that at temperatures… 

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