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Dielectric studies on Ba(NO 3 ) 2
Author(s) -
Srinivas M.,
Sirdeshmukh Lalitha
Publication year - 1988
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170230914
Subject(s) - dielectric , conductivity , evaporation , dielectric loss , analytical chemistry (journal) , materials science , aqueous solution , electrical resistivity and conductivity , atmospheric temperature range , range (aeronautics) , phase transition , mineralogy , condensed matter physics , chemistry , thermodynamics , physics , optoelectronics , composite material , chromatography , quantum mechanics
Abstract Single crystals of Ba(NO 3 ) 2 were grown by slow evaporation of aqueous solution. The dielectric constant (ϵ) and loss (tan δ) have been measured in the frequency range of 100 Hz to 100 KHz at temperatures ranging from room temperature to 400 °C. A.c. conductivity (σ) is calculated from the data on ϵ and tan δ. ϵ, tan δ, and σ were found to show anomalies around 270 °C. The results are discussed in the light of order‐disorder phase transition.