Transactions of the Society of Information Storage Systems (정보저장시스템학회논문집)

The Society of Information Storage Systems (정보저장시스템학회)
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Study on Metalizing 2% Na-PbTe for Thermoelectric Device

고효율 열전소재 2%Na-PbTe 의 소자화에 관한 연구

  • Kim, Hoon (School of Mechanical Engineering, Yonsei University) ;
  • Kang, Chanyoung (School of Mechanical Engineering, Yonsei University) ;
  • Hwang, Junphil (School of Mechanical Engineering, Yonsei University) ;
  • Kim, Woochul (School of Mechanical Engineering, Yonsei University)
  • Received : 2014.09.14
  • Accepted : 2014.09.23
  • Published : 2014.09.25
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Abstract

Heat emission from the laser diode used in the optical disc drive and the defects from the increased temperature at the system have attracted attentions from the field of the information storage device. Thermoelectric refrigerator is one of the fine solutions to solve these thermal problems. The refrigeration performance of thermoelectric device is dependent on the thermoelectric material's figure-of-merit. Meanwhile, high electrical contact resistivity between metal electrode and p- and n-type thermoelectric materials in the device would lead increased total electrical resistance resulting in the degeneracy in performance. This paper represents the manufacturing process of the PbTe-based material which has one of the highest figure-of-merit at medium-high-temperature, ~ 600K to 900 K, and the nickel contact layer for reduced electrical contact resistance at once, and the results showing the decent contact structure and figure-of-merit even after the long-term operation environment.

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References

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