1. a Department of Materials and Metallurgical Engineering , New Mexico Institute of Mining and Technology , Socorro, NM, 87801, USA
2. c Ramtron International Corporation , 1850 Ramtron Drive, Colorado Springs, CO, 80921, USA
3. d Advanced Assembling Technology, Flextronics International , 2090, Fortune Drive, San Jose, CA95131, USA
4. b Electronic Ceramic Division , Sandia National Laboratories , Albuquerque, NM, 87185, USA