Xueyun Zhou

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To investigate whether oxygen vacancies play an important role in the origin of ferromagnetism in undoped nanosized metal oxides, CeO<sub>2-x</sub> nanopowders were prepared using sol-gel method, and(More)
A series of (Fe<sub>65</sub>Co<sub>35</sub>)x(B<sub>2</sub>O<sub>3</sub>&gt;)<sub>1-x</sub> nano-granular films with different metal volume fractions x were fabricated by magnetron sputtering. High(More)
We have studied room-temperature ferromagnetism (RTFM) in Sn<sub>1</sub> <sub>-</sub> <sub>x</sub>Co<sub>x</sub>O<sub>2</sub> powders and films fabricated by the sol-gel method. Our X-ray(More)
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