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  1. No Access

    Article

    Observations of the effects of temperature and crystallographic orientation on surface segregation in an Fe-Si-Sn-C alloy

    Auger electron spectroscopy was used to study segregation of Group IVB solutes to the surfaces of individual grains of a poly crystalline Fe-3.1 pct Si-0.06 pct Sn-0.004 pct C alloy heated in UHV. As the tempe...

    Yong-**n Zhou, Shin-Cheng Fu, C. J. Mcmahon in Metallurgical Transactions A (1981)

  2. No Access

    Article

    Assessment of persistent-photoconductivity centers in MBE grown Al x Ga1-x as using capacitance spectroscopy measurements

    Deep-level transient spectroscopy and thermally stimulated capacitance measurements were used to investigate the properties of deep traps in Si-dopedn-Al x Ga1−xAl layers grown b...

    B. L. Zhou, K. Ploog, E. Gmelin, X. Q. Zheng, M. Schulz in Applied Physics A (1982)

  3. No Access

    Article

    Picosecond Laser-Induced Surface Transformations in Solids

    We report the results of a study of surface transformations in semiconductors (Si, GaAs) and metals (Cu) produced by 100 ps long pulses from a Nd:YAG laser system. We present and outline the conclusions of our...

    P. M. Fauchet, Zhou Guosheng, A. E. Siegman in MRS Online Proceedings Library (1982)

  4. No Access

    Article

    Study of the formation, crystallization and electrical properties of Pd(0.83−x)XxSi0.17 (X=Fe, Co, Ni;x=0.05, 0.10, 0.15) metallic glasses

    The substitution of Fe, Co, and Ni (upto 15 at. %) for Pd in Pd-Si metallic glasses raises the crystallization temperature and stability in the order of Fe, Co, and Ni as checked by resistivity and DTA techniq...

    Zhou **nming, H. R. Khan, Ch. J. Raub in Applied Physics A (1984)

  5. No Access

    Article

    A Novel Silicided Shallow Junction Technology for CMOS VLSI

    A novel technique for the fabrication of shallow, silicided p+-n junctions with excellent electrical characteristics has been developed. The technique utilizes the ion implantation of dopants into silicide layers...

    D. L. Kwong, Y. H. Ku, S. K. Lee, N. S. Alvi, P. Chu… in MRS Online Proceedings Library (1986)

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    Article

    Optical Modulation Spectroscopy of a-Si:H Based Multilayer Structures

    Steady state optical modulation spectrum of a-Si:H/a-SiNx:H multilayer structure, its temperature dependence and time decay have been studied. For multilayers with very thin sublayers the onset of the spectrum is...

    T. X. Zhou, H. Stoddart, Z. Vardeny, J. Tauc, B. Abeles in MRS Online Proceedings Library (1986)

  7. No Access

    Article

    Mössbauer study on surface magnetic properties in magnetic fluids

    The presence of Δm=0 lines of the Mössbauer spectra of small Fe3O4 particles coated with an organic surfactant in an applied field of 7 T at 5 K shows a non-collinear magnetic structure in the surface layer of th...

    Yang **e-long, Sun **ao-duo, Zhou Nai-fu in Applied Physics A (1987)

  8. No Access

    Article

    A Comparative Experimental Study of Glass Stability in Seawater and Distilled Water

    Both PNL76−68 and ABS-118 glasses show greater stability in seawater (SW) than in distilled and deionized water (DDW), in the MCC-1 90°C corrosion test. After 180 days of corrosion, the boron release from PNL7...

    Zhihong Zhou, W. S. Fyfe in MRS Online Proceedings Library (1987)

  9. No Access

    Article

    Laser-Initiated Aluminothermic Reaction Applied to Preparing Mo-Si Film on Silicon Substrates

    Mo-Si films on silicon substrates has been prepared by the CO2 laser-initiated aluminothermic reaction. The features of these films have been characterized by RBS, AES, etc. The formation mechanism is discussed.

    Li Ding, Lu Xuebiao, Zhou Zhengzhuo, Qiu Mingxin… in MRS Online Proceedings Library (1987)

  10. No Access

    Article

    Formation of Buried Oxide in Mev Oxygen Implanted Silicon

    We have studied the formation of buried oxide in MeV oxygen implanted Si. A continuous oxide layer is formed in the samples implanted with 2x1018/cm2 oxygen and annealed at 1300° C. The microstructures are studie...

    C. W. Nieh, F. **ong, C. C. Ahn, Z. Zhou, D. N. Jamieson… in MRS Online Proceedings Library (1987)

  11. No Access

    Article

    States in the Gap of Doped and Undoped a-Si:H Studied by Photomodulation Spectroscopy

    The steady state photomodulation spectrum, its temperature and excitation intensity dependences have been studied in phosphorous doped and undoped a-Si:H. The spectra are analyzed in terms of photocarriers tra...

    T. X. Zhou, Z. Vardeny, J. Tauc in MRS Online Proceedings Library (1987)

  12. No Access

    Article

    A New Family of Photoactive Catalysts Based Upon Bismuth Oxide

    Bismuth(III) oxide, which is pale yellow, functions as an amphoteric semiconductor, although it is relatively unstable upon illumination with UV light. The energy level positioning, corrosion limits and photoa...

    Anthony Harriman, John M. Thomas, Wuzong Zhou… in MRS Online Proceedings Library (1987)

  13. No Access

    Article

    FT far IR studies of YBa2Cu3Ox and Ln-Ba-Cu-O superconductor systems

    An investigation of FT far IR spectra of YBa2Cu3Ox highT c superconductor and Ln-Ba-Cu-O systems were carried out at room and liquid nitrogen temperature, respectively. It indi...

    Hui-Zhou Liu, Zhen-Hua Xu, Shi-Fu Weng, Wei-** Zhou, Hai Guo… in Microchimica Acta (1988)

  14. No Access

    Article

    The preliminary study of hydration of phosphocholine by FT-IR

    The process of hydration of phosphocholine was investigated using FT-IR. From the intensity changes and frequency shifts of some IR bands seen for the polar groups both PO 2 − ...

    Hui -Zhou Liu, ** -Guang Wu, Hai Guo, **ao -Si Zhou, Guang -**an Xu in Microchimica Acta (1988)

  15. No Access

    Article

    The preliminary study of hydration of polyuridylic acid (poly-U) by FT-IR

    The FT-IR spectroscopy in the 4000 to 800cm−1 region at 22°C has been used to investigate the hydration process of poly-U at static equilibrium. From the changes of infrared intensity and shift of infrared freque...

    Hai Guo, Bao -Zhu Yu, Hui -Zhou Liu, ** -Guang Wu, Guang -**an Xu in Microchimica Acta (1988)

  16. No Access

    Article

    Fourier transform infrared study on the hydration of polycytidylic acid (poly C)

    The Fourier transform infrared spectra and subtraction spectra of poly C film in the 4000 to 800 cm−1 region at 22°C were measured systematically as a function of relative humidity (from 0% to 100%) at static equ...

    Hui -Zhou Liu, Bao -Zhu Yu, Hai Guo, ** -Guang Wu, Guang -**an Xu in Microchimica Acta (1988)

  17. No Access

    Article

    A Mössbauer study on the surface hyperfine field of uniform hematite particles

    A Mössbauer spectroscopic study was performed on uniform spherical hematite particles (99±9 nm, Sample I) and those enriched with57Fe on the surface (Sample II). A striking difference was found between the spectr...

    Ji -Sen Jiang, **e -Long Yang, Long -Wu Chen, Nai -Fu Zhou in Applied Physics A (1988)

  18. No Access

    Article

    Magnetic field alignment of high-T c superconductorsRBa2Cu3O7–δ (R=rare earth)

    Finely ground powders ofRBa2Cu3O7 − δ (R=Y, Nd, Sm, Eu, Dy, Ho, Er, Tm, Yb) have been mixed at dilute 3%-by-volume concentrations into epoxy matrices which were then allowed to harden in applied magnetic fieldsH

    J. M. Ferreira, M. B. Maple, H. Zhou, R. R. Hake, B. W. Lee… in Applied Physics A (1988)

  19. No Access

    Article

    Investigation of Titanium Nitride Synthesized by Ion Beam Enhanced Deposition

    Titanium nitride films have been synthesized at room temperature by alternate deposition of titanium and bombardment by nitrogen ions with an energy of 40KeV. The component depth profiles and the structure of ...

    Zhou Jiankun, Liu **anghuai, Chen Youshan, Zheng Zhihong… in MRS Online Proceedings Library (1988)

  20. No Access

    Article

    Scaling Behavior Of Dynamic Permeability In Porous Media

    We show that the scaling of the dynamic permeability κ(ω) by its static value κ0 and the frequency ω by a characteristic frequency ω0 particular to the medium results in a dimensionless function, with, which is d...

    ** Sheng, Min-Yao Zhou, E. Charlaix, A. Kushnick… in MRS Online Proceedings Library (1988)

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