Swift heavy ion irradiation effects on structural and magnetic characteristics of RFeO3 (R=Er, Ho and Y) crystals

Magnetic studies have been carried out on single crystals of RFeO3 (R=Er, Ho and Y) using vibrating sample magnetometer before and after swift heavy ion irradiation. Highly anisotropic character of the crystals is maintained even after irradiation. Irradiation causes decrease in magnetization and in...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2006-01, Vol.243 (1), p.134-142
Main Authors: Bhat, Monita, Kaur, Balwinder, Kumar, Ravi, Joy, P.A., Kulkarni, S.D., Bamzai, K.K., Kotru, P.N., Wanklyn, B.M.
Format: Article
Language:English
Subjects:
Ion irradiation
Magnetization
Neel temperature
X-ray diffraction
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Summary:Magnetic studies have been carried out on single crystals of RFeO3 (R=Er, Ho and Y) using vibrating sample magnetometer before and after swift heavy ion irradiation. Highly anisotropic character of the crystals is maintained even after irradiation. Irradiation causes decrease in magnetization and increase in Neel temperature of the crystals studied. The decrease in magnetization is attributed to amorphization caused by irradiation. High-resolution X-ray diffraction studies confirm amorphization on irradiation of the RFeO3 (R=Er, Ho and Y) crystals.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2005.07.207