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https://research.ibm.com/publications/effects-of-interfacial-microstructure-on-uniformity-and-thermal-stability-of-aunige-ohmic-contact-to-n-type-gaas Effects of interfacial microstructure on uniformity and thermal stability of AuNiGe ohmic contact... Effects of interfacial microstructure on uniformity and thermal stability of AuNiGe ohmic contact to n-type GaAs for Journal of Applied Physics by Yih-Cheng...