Published May 30, 2019 | Version v1
Journal article Metadata-only

Highly dense LaCrO3 ceramics fabricated in air ambient

Creators

  • 1. Xinjiang Normal University, College of Chemistry and Chemical Engineering (China)
  • 2. Xinjiang Technical Institute of Physics and Chemistry of CAS, Key Laboratory of Functional Materials and Devices for Special Environments of CAS, Xinjiang Key Laboratory of Electronic Information Materials and Devices (China)

Description

Highly dense LaCrO3 negative temperature coefficient (NTC) thermistor ceramics by low-heating solid-state method have been successfully synthesized in air ambient. The X-ray diffraction analysis has shown that both of the calcined powders and as-sintered ceramics crystallize in a perovskite structure. The relative densities of the ceramics synthesized by Cr(NO3)3·9H2O and the ceramics synthesized by CrCl3·6H2O are 91% and 65%, respectively. The relationship between lnρ and 1000/T shows an approximate line in the measured temperature range. The values of ρ25 and B0/25 of the ceramics synthesized by Cr(NO3)3·9H2O and the ceramics synthesized by CrCl3·6H2O are 424.8 Ω cm, 3252 K and 1835.9 Ω cm, 3636 K, respectively.

Additional details

Identifiers

DOI
10.1007/s10854-019-01339-4;

Publishing Information

Journal Title
Journal of Materials Science. Materials in Electronics
Journal Volume
30
Journal Issue
10
Journal Page Range
p. 9983-9988
ISSN
0957-4522
CODEN
JSMEEV

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
52019061
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
AIR; CERAMICS; CHROMIUM CHLORIDES; NITROGEN OXIDES; SYNTHESIS; TEMPERATURE COEFFICIENT; X-RAY DIFFRACTION
Descriptors DEC
CHALCOGENIDES; CHLORIDES; CHLORINE COMPOUNDS; CHROMIUM COMPOUNDS; CHROMIUM HALIDES; COHERENT SCATTERING; DIFFRACTION; FLUIDS; GASES; HALIDES; HALOGEN COMPOUNDS; NITROGEN COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; REACTIVITY COEFFICIENTS; SCATTERING; TRANSITION ELEMENT COMPOUNDS

Optional Information

Copyright
Copyright (c) 2019 Springer Science+Business Media, LLC, part of Springer Nature