Addition of Ca and Sr in PLZT to improve fram® performance and reliability

References

• Hadnagy , T. D. and Sheldon , D. J. 1994 . Retention and Endurance Effects of 4K and 64K FRAM® Memories Integrated Ferrolectrics , 4 : 217 – 226 .
   Google Scholar
• Traynor , S. D. , Hadnagy , T. D. and Kammerdiner , L. 1997 . Integrated Ferroelectrics . Capacitor Test Simulation of Retention and Imprint Characteristics for Ferroelectric Memory Operation , 16 : 63 – 76 .
   Google Scholar
• Jaffe , B. , Cook , W. R. Jr. and Jaffe , H. Piezoelectric Ceramics Chapter , 44108 Ohio , , U.S.A. : 7 Gould Inc. Cleveland .
   Google Scholar
• Hadnagy , T. D. 1997 . Integrated Ferroelectrics . Materials and Production Characterization Requirements for the Production of FRAM® Memory Products , 18 : 1 – 17 .
   Google Scholar
• Larsen , P. K. , GJM Domans , Taylor , D. J. and Van Veldhoven , P. J. 1994 . Ferroelectric Properties and Fatigue of PbZr_0.51 Ti₄₉O₃ Thin Films of Varying Thickness Blocking Layer Model J. Applied Physics , 76 ( No. 1 )
   Google Scholar
• Data from Fujitsu, Private Communications with Koichi Oki .
   Google Scholar