This complaints comprises papers provided on the Electronics in severe Environments, foreign gas Cells and similar platforms, and complicated Dielectrics for instant Communications symposia.

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Extra resources for Advances in Electronic and Electrochemical Ceramics, Volume 179

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12 F. Engelmark, J. F. V. Katardjiev, and J. Olsson. "Electrical characterization of AIN MIS and MIM structures," IEEE Trans. Electr. , 50, 1214-9 (2003) Advances in Electronic and Electrochemical Ceramics 55 Advances in Electronic and Electrochemical Ceramics Edited by Fatih Dogan and Prashant Kumta Copyright © 2006. The American Ceramic Society HIGH TEMPERATURE PIEZOELECTRIC La 2 Ti 2 0 7 Ali Sayir, Serene C. Farmer and Fred Dynys NASA Glenn Research Center Cleveland, Ohio 44135 ABSTRACT La2Ti2Û7 belongs to a family of ferroelectric materials having a layered perovskite structure.

Next, the transparent BST glass was annealed at 600 °C for 10 hrs to remove residual stresses. Glass from each batch was then ground using an agate mortar and pestle to a fine powder for X-ray Powder Diffraction (XRD) and DTA (Differential Thermal Analysis). The XRD was completed on a Phillips XRG 3100 diffractometer with Cu Ka radiation at 50kV and 30 mA to verify that no crystallization had taken place. To determine the crystallization temperature DTA (TA instruments) was performed using a 10 °C/min ramp rate to 1200 °C.

05 (im AI2O3. The epoxy mounts were then carbon coated and masked with conductive tape for Scanning Electron Microscopy (SEM). Images of the polished surfaces were obtained using a Leo 1550 SEM. RESULTS AND DISCUSSION Table I shows a comparison of compositions used in the previous NRL study versus some used in the current one. The older study used barium titanate (BT), while the new study used barium strontium titanate. 6 ... 3 ... 7 Excess BaO ... 75 ... It is important to notice that the BST samples contained AI2O3 as this addition played a key role in obtaining BST as the primary crystalline phase.

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