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Article
Microwave dielectric properties of cordierite-diopside glass-ceramics
The dependence of microwave dielectric properties on the crystallization behavior of (1-x) Mg2Al4Si5O18 – xCaMgSi2O6 glass-ceramics was investigated as a function of the CaMgSi2O6 content (x) and heat-treatment t...
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Article
Electrical and Optical Studies of the Organic Thin Film Devices Produced by Cluster Beam Deposition Methods
The neutral and ionized cluster beam deposition (NCBD and ICBD) methods have been applied to fabricate the new double-layer organic light emitting devices (OLEDs) with the structure of indium-tin-oxide (ITO)-c...
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Article
Test Methods for Characterizing Piezoelectric Thin Films
Two experimental techniques for quantifying MEMS-relevant material constants of piezoelectric thin films are presented. The first is an improved version of our recently developed ‘plank method.’ This technique...
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Article
Advanced Bulge Test System
The bulge test is an established method of measuring the residual stress and elastic stiffness of thin-film materials. We present an advanced experimental bulge-testing system that provides advantages in speed...
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Article
Modelling of an electrolyte matrix for a phosphoric acid fuel cell
A simple model of an electrolyte matrix for use in a phosphoric acid fuel cell (PAFC) has been proposed. It has important features in the vertical direction. Acid absorbency, bubble pressure and current densit...
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Article
Thermal stability of sputter-deposited ZnO thin films
This paper describes our investigation on the thermal stability of sputterdeposited, piezoelectric, ZnO thin films, using x-ray photoelectron spectroscopy (XPS), capacitance-voltage (C-V) measurements of metal...
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Article
Characteristics of the NO dielectric film with low pressure chemical vapor deposition in-situ nitridation
We investigated the formation of the thin NO dielectric films by in-situ nitridation of native oxide, and subsequent deposition of silicon nitride in the low pressure chemical vapor deposition systems for the ...
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Article
Effect of nickel on microwave dielectric properties of Ba(Mg1/3Ta2/3)O3
The dielectric and physical properties of the complex perovskite Ba(Mg1/3Ta2/3)O3 system in which magnesium was substituted for nickel from 0.03–0.67 mol%, were investigated in the temperature range 20–110‡C, and...
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Article
Compact shrinkage during liquid-phase sintering
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Article
Defective structure of powders of group VI refractory metals and their mechanism of activated sintering
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The LTAS of a defective powder takes place under conditions of primary AR and formation of an ultrafine-grain...
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