نتایج جستجو برای: barium strontium titanate ba1

تعداد نتایج: 17160  

Journal: :journal of physical & theoretical chemistry 2008
k. zare m. enhessari s. khanahmadzadeh h. mossallaea m. s. sadjadi

stoichiometric tetragonal bal-xsrxtio3 (x = 0.23) nanopowders were prepared by stearic acid gel(sag) method using barium stearate, strontium stearate, tetrabutyl titanate as ba, sr, ti sourcesand stearic acid as complexing reagent. thermal analysis including differential thermogravimetric(dtg) and tg, fourier transform infrared spectrometry (ftir), x-ray diffraction (xrd) andtransmission electr...

2000
A. Victor

The phase noise of an oscillator with a thin-film barium strontium titanate (BST) capacitive tuning element, or varactor, is characterised and benchmarked against the same oscillator with a silicon semiconductor junction varactor. Phase noise tracks closely with varactor Q within a specific voltage range as expected. Compared to the semiconductor varactor-based oscillator, the BST-based oscilla...

2012
R. C. Toonen S. G. Hirsch R. X. Fu M. P. Ivill M. W. Cole

NOTICES Disclaimers The findings in this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents. Citation of manufacturer's or trade names does not constitute an official endorsement or approval of the use thereof. Destroy this report when it is no longer needed. Do not return it to the originator. Approved for public rel...

Journal: :International Journal of Physical Sciences 2016

Journal: :Composites Science and Technology 2021

The growing importance of nonlinear transmission lines for pulsed power and high microwave devices in defense industrial applications motivates material development system optimization. This study investigates composites manufactured with various volume loadings both magnetic (nickel zinc ferrite) dielectric (barium strontium titanate) inclusions a silicone matrix. Increasing the fraction bariu...

Journal: :Journal of Chemistry 2023

Due to the growing demand of energy and wastage energy, there exists an interest storing so that it could be utilized efficiently. Capacitors are materials designed for such application. Ferroelectric known their application as capacitors. Of materials, perovskites preferable classes have been used Barium strontium titanate nanomaterial is a member which encompasses smaller dielectric loss, ele...

H. Mossallaea K. Zare M. Enhessari M. S. Sadjadi S. Khanahmadzadeh

Stoichiometric tetragonal Bal-xSrxTiO3 (x = 0.23) nanopowders were prepared by stearic acid gel(SAG) method using barium stearate, strontium stearate, tetrabutyl titanate as Ba, Sr, Ti sourcesand stearic acid as complexing reagent. Thermal analysis including differential thermogravimetric(DTG) and TG, Fourier transform infrared spectrometry (FTIR), X-ray diffraction (XRD) andtransmission electr...

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