NPs of Ce1-xCrxO2 (x=0, 0.04, 0.08, 0.12) have been synthesized by solution combustion method using glycine as fuel. The effect of chromium on structural and dc electrical conductivity of cerium oxide nanoparticles were investigated. The obtained powder is characterized by UV-visible spectrometer, X-ray diffractometer (XRD), Scanning electron microscope (SEM) and Energy dispersive X-Ray analysis (EDS). X-ray diffraction analysis carried out on calcined samples reveals that successful incorporation of Cr2+ in CeO2 lattice where as SEM studies confirms the porous morphological structure of the prepared sample. The Keithley source meter is used to measure the dc conductivity of samples in the temperature range from 303K to 623K. The conductivity was found to be increases with increase of temperature as well as the Cr concentration due to semiconducting behavior of material and change in the charge carrier concentration. The activation energy decreases with increasing chromium concentration. The present work deals with the effect of chromium additive on structural and the D.C electrical properties Ce1-xCrxO2 NPs.
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10 April 2018
DAE SOLID STATE PHYSICS SYMPOSIUM 2017
26–30 December 2017
Mumbai, India
Research Article|
April 10 2018
Synthesis and dc electrical conductivity of Cr-doped CeO2 nanoparticles by solution combustion method
B. M. Harish;
B. M. Harish
1
Department of P.G. Studies and Research in Physics, Kuvempu University
, Jnanasahyadri, Shankaraghatta-577451, Shimoga, Karnataka, India
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B. S. Avinash;
B. S. Avinash
1
Department of P.G. Studies and Research in Physics, Kuvempu University
, Jnanasahyadri, Shankaraghatta-577451, Shimoga, Karnataka, India
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V. S. Chaturmukha;
V. S. Chaturmukha
1
Department of P.G. Studies and Research in Physics, Kuvempu University
, Jnanasahyadri, Shankaraghatta-577451, Shimoga, Karnataka, India
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H. S. Jayanna;
H. S. Jayanna
1
Department of P.G. Studies and Research in Physics, Kuvempu University
, Jnanasahyadri, Shankaraghatta-577451, Shimoga, Karnataka, India
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S. Suresh;
S. Suresh
1
Department of P.G. Studies and Research in Physics, Kuvempu University
, Jnanasahyadri, Shankaraghatta-577451, Shimoga, Karnataka, India
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C. S. Naveen;
C. S. Naveen
2
Department of Physics, Alliance College of Engineering and Design, Alliane University
, Anekal, Bengaluru-562106, India
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Ashok R. Lamani
Ashok R. Lamani
a
1
Department of P.G. Studies and Research in Physics, Kuvempu University
, Jnanasahyadri, Shankaraghatta-577451, Shimoga, Karnataka, India
a)E-mail: ashok1571972@gmail.com
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a)E-mail: ashok1571972@gmail.com
AIP Conf. Proc. 1942, 050037 (2018)
Citation
B. M. Harish, B. S. Avinash, V. S. Chaturmukha, H. S. Jayanna, S. Suresh, C. S. Naveen, Ashok R. Lamani; Synthesis and dc electrical conductivity of Cr-doped CeO2 nanoparticles by solution combustion method. AIP Conf. Proc. 10 April 2018; 1942 (1): 050037. https://doi.org/10.1063/1.5028668
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