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EFFECT OF FORMATION CONDITIONS OF THICK GRANNULAR FILMS BASED ON DISPERSED Со3В ON THEIR PHASE COMPOSITION AND MAGNETORESISTANCE

B.M.Rud,
 
E.Telnikov,
 
O.Marchuk,
 
I.Timofeeva,
 
K.Meleshevich,
 
L.I.Fiyalka
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2017, #03/04
http://www.materials.kiev.ua/article/2370

Abstract

An important scientific and technical problem on developing thick resistive granular films used in microelectronics and tool manufacturing is solved. Magnetoresistive Co-containing granular films are obtained by stenciling pastes consisting of microdispersed cobalt boride Co3B and organic binder on a dielectric substrate. Then, the deposited films are heat treated in air with no protection at all. X-ray diffraction analysis and X-ray derivatographic analysis reveal that only ferromagnetic Co (FCC) and amorphous B2O3 are present in the structure of the films at T = 650–850 °C. On this basis, the schedules for the heat treatment of films are devel-oped. The effect of magnetic field on the electric resistance of films is studied


FILMS, HEAT TREATMENT, MAGNETORESISTIVE PROPERTIES, MAGNETORESISTIVE PROPERTIES, X-RAY DERIVATOGRAPHIC ANALYSIS, X-RAY DIFFRACTION

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