Influence of Cr-Substitution on the Electrical Properties of Fe_{1-x}Cr_{x}SnSbO₆

• Authors: T. Groń , G. Dąbrowska , E. Filipek , H. Duda , B. Sawicki
• Languages of publication: EN

Abstracts

EN

Fe_{1-x}Cr_xSnSbO₆ solid solution shows semiconducting behaviour with the activation energy decreasing from E_{A}=0.64 eV for x=0.0 to E_{A}=0.32 eV for x=1.0 in the intrinsic conductivity temperature region as well as the n-type conduction at room temperature. The I-V characteristics and the conductance G at 300 and 400 K showed symmetrical and nonlinear behavior in the voltage range (-100, 100 V) suggesting the electron emission over the potential barrier especially for the boundary compounds FeSnSbO₆ and CrSnSbO₆. These effects are discussed in the context of the energy gap E_{g}>1.6 eV many times greater than the thermal energy kT.

Keywords

EN

72.20.Pa; 72.80.Ga; 75.20.-g

Discipline

• 75.20.-g: Diamagnetism, paramagnetism, and superparamagnetism
• 72.80.Ga: Transition-metal compounds
• 72.20.Pa: Thermoelectric and thermomagnetic effects

• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 129
• Issue: 1a
• Pages: A-153-A-156

Dates

published

2016-01

Contributors

author

T. Groń

• University of Silesia, Institute of Physics, Uniwersytecka 4, 40-007 Katowice, Poland

author

G. Dąbrowska

• West Pomeranian University of Technology in Szczecin, Department of Inorganic and Analytical Chemistry, al. Piastów 42, 71-065 Szczecin, Poland

author

E. Filipek

• West Pomeranian University of Technology in Szczecin, Department of Inorganic and Analytical Chemistry, al. Piastów 42, 71-065 Szczecin, Poland

author

H. Duda

• University of Silesia, Institute of Physics, Uniwersytecka 4, 40-007 Katowice, Poland

author

B. Sawicki

• University of Silesia, Institute of Physics, Uniwersytecka 4, 40-007 Katowice, Poland

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Identifiers

DOI

10.12693/APhysPolA.129.A-153