Transparent glass sample [50Li(2)B(4)O(7)-50(SrO-Bi2O3-Nb2O5)] (mol %) was prepared by the melt-quenching technique. The glassy nature of the as-prepared sample was established by Differential scanning calorimetry (DSC). Ferroelectric SrBi2Nb2O9 (SBN) embedded in a 50 % Li2B4O7 glass matrix was produced by heat-treating the as-prepared sample at 874 K (HT874) for 6 h. The X-ray structural analysis showed that SrBi2Nb2O9 crystallizes in the orthorhombic (A2(1)am) with a = 5.5104, b = 5.5096 and c = 25.0794 . Infrared spectroscopy studies corroborate the observation of SrBi2Nb2O9 phase formation. The dielectric properties have been studied in the frequency range of 120 Hz to 100 k Hz at various temperatures (300-815 K). The high frequency dielectric constant shows a peak at T-c (743 K). The exponent n(T) and the coefficient A(T) in the Jonscher's expression were found to be minimum and maximum respectively at the Curie temperature (T-c). AC conductivity measurements for present sample were reported.
机构:
Al Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, Egypt
Jazan Univ, Dept Phys, Fac Sci & Arts Samtah, Jazan, Saudi ArabiaAl Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, Egypt
Abdel-Khalek, E. K.
Salem, Shaaban M.
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Al Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, EgyptAl Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, Egypt
Salem, Shaaban M.
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Farouk, M.
Mohamed, E. A.
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Jazan Univ, Dept Phys, Fac Sci & Arts Samtah, Jazan, Saudi ArabiaAl Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, Egypt
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VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061
Chen, TC
Thio, CL
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VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061
Thio, CL
Desu, SB
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VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061
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NATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIANATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIA
Ismunandar
Kennedy, BJ
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NATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIANATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIA
Kennedy, BJ
Gunawan
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NATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIANATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIA
Gunawan
Marsongkohadi
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NATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIANATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIA
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Al Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, Egypt
Jazan Univ, Dept Phys, Fac Sci & Arts Samtah, Jazan, Saudi ArabiaAl Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, Egypt
Abdel-Khalek, E. K.
Salem, Shaaban M.
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Al Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, EgyptAl Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, Egypt
Salem, Shaaban M.
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Farouk, M.
Mohamed, E. A.
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Jazan Univ, Dept Phys, Fac Sci & Arts Samtah, Jazan, Saudi ArabiaAl Azhar Univ, Dept Phys, Fac Sci, Nasr City 11884, Cairo, Egypt
机构:
VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061
Chen, TC
Thio, CL
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VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061
Thio, CL
Desu, SB
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VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061VIRGINIA POLYTECH INST & STATE UNIV,DEPT MAT SCI & ENGN,BLACKSBURG,VA 24061
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NATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIANATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIA
Ismunandar
Kennedy, BJ
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NATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIANATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIA
Kennedy, BJ
Gunawan
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NATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIANATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIA
Gunawan
Marsongkohadi
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NATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIANATL ATOM ENERGY AGCY INDONESIA, MATH SCI RES CTR, PUSPIPTEK, SERPONG, INDONESIA