Author: "Hsieh, H. H." / Journal: applied physics letters - Searchworks@Jio Institute Digital Library Search Results

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Start Over Author "Hsieh, H. H." Journal applied physics letters

Author: Chen, C. H., primary, Niu, H., additional, Yan, D. C., additional, Hsieh, H. H., additional, Lee, C. P., additional, and Chi, C. C., additional
Published: 2012
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Author: Yang, C. K., primary, Chiou, J. W., additional, Tsai, H. M., additional, Pao, C. W., additional, Jan, J. C., additional, Ray, S. C., additional, Yeh, C. L., additional, Huang, K. C., additional, Hsueh, H. C., additional, Pong, W. F., additional, Tsai, M.-H., additional, Hsieh, H. H., additional, Lin, H. J., additional, Hou, T. Y., additional, and Hsu, J. H., additional
Published: 2005
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Author: Lee, I. F., primary, Shen, M. Y., additional, Lay, Y. Y., additional, Jan, J. C., additional, Chiou, J. W., additional, Tsai, H. M., additional, Pong, W. F., additional, Tsai, M.-H., additional, Hsieh, H. H., additional, Lin, H.-J., additional, Lee, J. F., additional, Ku, C. A., additional, and Huang, J. C. A., additional
Published: 2003
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Author: Hsieh, H. H., primary, Chang, Y. K., additional, Pong, W. F., additional, Tsai, M.-H., additional, Chien, F. Z., additional, Tseng, P. K., additional, Lin, I. N., additional, and Cheng, H. F., additional
Published: 1999
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Author: Yang, C. K., Chiou, J. W., Tsai, H. M., Pao, C. W., Jan, J. C., Ray, S. C., Yeh, C. L., Huang, K. C., Hsueh, H. C., Pong, W. F., Tsai, M.-H., Hsieh, H. H., Lin, H. J., Hou, T. Y., and Hsu, J. H.
Subjects: ELECTRONIC structure, ALUMINUM, X-ray absorption near edge structure, X-ray spectroscopy, ABSORPTION spectra, THIN films
Abstract: The electronic structure and magnetic properties of Al-doped Fe3O4 films at various Al concentrations were investigated by Al and O K-edge x-ray absorption near-edge structure (XANES) and Fe L3,2-edge magnetic circular dichroism (MCD) measurements. The O K-edge XANES spectra reveal that the intensity of O 2p–Fe 3d hybridized states decreases linearly as the Al concentration increases, suggesting that nonmagnetic Al substitution reduces couplings of the O 2p with Fe 3d orbitals. The Fe L3-edge MCD spectra show that the intensities of MCD features decrease as the Al concentration increases, which suggests that Al substitution reduces the magnetic moments of Fe ions. The Fe L3,2 XANES spectra suggest the absence of mixed valence states in agreement with previous x-ray resonance scattering measurements. [ABSTRACT FROM AUTHOR]
Published: 2005
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