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Integrated Ferroelectrics
An International Journal
Volume 184, 2017 - Issue 1: The International Conference on Technologically Advanced Materials (ICTAM-2016), Part I
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Section C: Nano-Structured Materials

Unconventional magnetism in ZnO nanorods

Debabrata MishraDepartment of Physics & Astrophysics, University of Delhi, New Delhi, IndiaCorrespondence[email protected]
,
C. S. RoutSchool of Basic Sciences, Indian Institute of Technology Bhubaneswar, Bhubaneswar, India
,
Manasmita MishraDepartment of Physics, VSS University of Technology, Burla, Odisha, India
&
A. K. PattanaikDepartment of Physics, VSS University of Technology, Burla, Odisha, India
Pages 124-128 | Received 07 Nov 2016, Accepted 22 Apr 2017, Published online: 05 Dec 2017
 
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ABSTRACT

We report room temperature ferromagnetism in vacuum annealed ZnO nanorods. ZnO nanorods were annealed at 600°C for 6 hours in an annealing chamber with a pressure of 10−6 Torr. Our study indicates that ZnO nanorods develop room temperature ferromagnetism due to the presence of oxygen vacancy defects in it. Presence of large surface area of nanorods and oxygen vacancy are mainly responsible for the observed magnetic behavior.

Funding

DM acknowledges the University Grants Commission for providing research support through Faculty Recharge Programme.

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