Signature of room temperature ferromagnetism in Mn doped CeO{sub 2} nanoparticles

Journal Article · Mon Oct 15 04:00:00 EDT 2012 · Materials Research Bulletin

DOI:https://doi.org/10.1016/J.MATERRESBULL.2012.04.136· OSTI ID:22215528

Kumar, Shalendra ^[1]; Ahmed, Faheem; Anwar, M. S.; Choi, H. K. ^[1]; Chung, Hanshik ^[2]

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1. School of Nano and Advanced Materials Engineering, Changwon National University, 9 Sarim dong, Changwon 641-773 (Korea, Republic of)
2. Department of Mechanical and Precision Engineering and The Institute of Marine Industry, Gyeongsang National University, Tongyeong 650-160 (Korea, Republic of)

We report structural and magnetic properties of Mn doped CeO{sub 2} nanoparticles using X-ray diffraction (XRD), field emission transmission electron microscopy (FE-TEM) and dc magnetization measurements. XRD results infer that all the samples have single phase nature and lattice parameters decrease with Mn doping. The particle size calculated using XRD and TEM analysis was found to decrease with Mn doping. Field cooled magnetization measurement shows that the transition temperature is above room temperature. Magnetic hysteresis loop studies indicate that undoped and Mn doped CeO{sub 2} nanoparticles show weak ferromagnetic behavior at room temperature.

• OSTI ID: 22215528
• Journal Information: Materials Research Bulletin, Journal Name: Materials Research Bulletin Journal Issue: 10 Vol. 47; ISSN MRBUAC; ISSN 0025-5408
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
77 NANOSCIENCE AND NANOTECHNOLOGY
CERIUM OXIDES
DOPED MATERIALS
FERROMAGNETISM
FIELD EMISSION
LATTICE PARAMETERS
MAGNETIC PROPERTIES
MAGNETIZATION
NANOSTRUCTURES
PARTICLE SIZE
THERMAL GRAVIMETRIC ANALYSIS
TRANSITION TEMPERATURE
TRANSMISSION ELECTRON MICROSCOPY
X-RAY DIFFRACTION