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العنوان
Thermal and Electrical Properties of some Ferroelectric Single Crystals /
المؤلف
Abd El.Wahab, Abd El.Monem.
هيئة الاعداد
باحث / Abd EL.Monem Abd El.Wahab
مشرف / A. A. Ahmed
مشرف / M. E. Kassem
مشرف / T. G. Abdel-Malik
مشرف / M. E. EL-Shabasy
مشرف / R. M. Abdel-Latif
الموضوع
Thermodynamics. Physics of Solides. Electrical Dynamics.
تاريخ النشر
1988.
عدد الصفحات
105 p. :
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
الفيزياء وعلم الفلك
تاريخ الإجازة
1/1/1988
مكان الإجازة
جامعة المنيا - كلية العلوم - Department of Physics
الفهرس
Only 14 pages are availabe for public view

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from 127

Abstract

The use of ferroelectric triglycine sulphate (TGS) crystals which have a tors and in thermal imaging and do not depole. This crystal can be prepared by adding the isostructural admixture material to the TGS crystals. Single, crystals of triglycine sulphate were grown by slow evaporation method from aqeous solution containing the aminoacetic acid and sulphuric acid at stoichiometric ration. Sample in the form of rods 1x1x0.15 cm³ were cut from single crystals using wet string saw with edge parallel to the crystallgraphic axes.
A Heraeous TA 500 is used to study thermal expansion coefficient and specific heat at constant pressure through the temperature range from 30 cº to 70 cº.