Low temperature measurements by infrared spectroscopy in CoFe2O4 ceramic

• Authors: Renata Bujakiewicz-Korońska , Łukasz Hetmańczyk , Barbara Garbarz-Glos , Andrzej Budziak , Anna Kalvane , Karlis Bormanis , Kacper Drużbicki
• Languages of publication: EN

Abstracts

EN

This paper presents results of new far-infrared and middle-infrared measurements (wavenumber range of 4000–100 cm−1) of the CoFe2O4 ceramic in the temperature range from 300 K to 8 K. The band positions and their shapes remain constant across the wide temperature range. The quality of the sample was investigated by X-ray, EDS and EPMA studies. The CoFe2O4 retains the cubic structure (Fd - 3m) across the temperature range from 85 K to 360 K without any traces of distortion. Based on current knowledge the polycrystalline CoFe2O4 does not exhibit any phase transitions across the temperature range from 8 K to 300 K.

Keywords

EN

infrared; FT-FIR; FT-MIR; CoFe2O4; cobalt spinel ferrite

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2012
• Volume: 10
• Issue: 5
• Pages: 1137-1143

Dates

published

1 - 10 - 2012

online

21 - 11 - 2012

Contributors

author

Renata Bujakiewicz-Korońska

• Institute of Physics, Pedagogical University, Podchorazych 2, 30-084, Krakow, Poland

author

Łukasz Hetmańczyk

• Institute of Physics, Pedagogical University, Podchorazych 2, 30-084, Krakow, Poland

author

Barbara Garbarz-Glos

• Institute of Physics, Pedagogical University, Podchorazych 2, 30-084, Krakow, Poland

author

Andrzej Budziak

• The H. Niewodniczanski Institute of Nuclear Physics PAN, Radzikowskiego 152, 31-342, Krakow, Poland

author

Anna Kalvane

• Institute of Solid State Physics, University of Latvia, Kengeraga 8, LV-1063, Riga, Latvia

author

Karlis Bormanis

• Institute of Solid State Physics, University of Latvia, Kengeraga 8, LV-1063, Riga, Latvia

author

Kacper Drużbicki

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Identifiers

DOI

10.2478/s11534-012-0101-4