| Autor: |
Kan, Akinori, Ogawa, Hirotaka, Watanabe, Masahiro, Hatanaka, Shigeru, Ohsato, Hitoshi |
| Zdroj: |
Japanese Journal of Applied Physics; September 1999, Vol. 38 Issue: 9 p5629-5629, 1p |
| Abstrakt: |
Sm2Ba(Cu1-xZnx)O5solid solutions with composition xranging from 0 to 1 were prepared by the solid-state reaction method. The microwave dielectric properties of the solid solutions obtained in this study were as follows: the dielectric constants (?r) range from 13 to 20, and the temperature coefficient of the resonant frequency (?f) and the quality factor (Q·f) value are -9 to -4 (ppm/°C) and 3000 to 66000 (GHz), respectively. Moreover, it was evaluated that the ?fand the Q·fvalues obtained in this work are extremely improved by (Y2-ySmy)BaCuO5(y=0 to 1) and Y2Ba(Cu1-xZnx)O5solid solutions, respectively. It was also clarified that the variations in the atomic distances in the Sm2O11polyhedron and the strain of the polyhedron exerted an influence on the temperature coefficient of the dielectric constant (??) and the Q·fvalue, respectively. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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