期刊
CHEMISTRY OF MATERIALS
卷 17, 期 24, 页码 5935-5940出版社
AMER CHEMICAL SOC
DOI: 10.1021/cm050708i
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Molybdenum nitride beta-Mo2N was synthesized on Si substrates by pulsed laser deposition of molybdenum metal under nitrogen radical irradiation. X-ray diffraction studies using a multiaxes diffractometer revealed that the crystal phase had a tetragonal structure uniaxially oriented with (100) planes parallel to the substrate surface. The composition was determined to be Mo2N0.85 by calibrated X-ray photoelectron spectroscopy. These results demonstrated that the well-crystallized tetragonal-phase beta-Mo2N was synthesized by deposition, rather than a cubic gamma-phase with randomly distributed nitrogen vacancies. The nitride beta-Mo2N was superconducting below 5.2 K.
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