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  1. No Access

    Chapter and Conference Paper

    Femtosecond Optical Spectroscopies of Solvated Polyatomic Molecules

    A multimode Brownian oscillator model is developed for third order nonlinear optical spectroscopies in condensed phases, taking into account molecular dynamics of coherent nuclear motions of the absorber and t...

    S. Mukamel, Y. J. Yan in Ultrafast Phenomena VII (1990)

  2. No Access

    Article

    Effects of oxide additives on sheet resistance of W thick-film conductor

    A multilayer AIN-W cofired body has been developed using the pressless sintering technique. Effects of additives, such as Y2O3, CaO, La2O3, MgO, Al2O3 and SiO2, on the sheet resistance of W conductor were studied...

    Tongxiang Liang, Wenzhen Sun, Y. -H. Wang, H. -D. Li… in Journal of Materials Science (1996)

  3. No Access

    Article

    Quantum chemical construction of a reduced reaction Hamiltonian and T 1 -relaxation and pure T 2 -dephasing rates for the proton transfer in 3-chlorotropolone

    Separating multidimensional problems into that of a relevant system which is coupled to a bath of harmonic oscillators is a common concept in condensed phase theory. Focusing on the specific problem of intramo...

    R. Xu, Y.J. Yan, O. Kühn in The European Physical Journal D - Atomic, … (2002)

  4. No Access

    Article

    Laser-induced spectral broadening and hole-burning in rare earth doped crystals and coherent optical spectroscopy for frequency upconversion

    The excitation spectra for linear fluorescence and for frequency upconversion are recorded in Er3+ doped crystal Er:YAG. An excitation induced spectral broadening and hole-burning are shown to appear at the reson...

    J.Y. Zhou, G.Q. Wang, D.C. Dai, L. Luo, K.S. Wong, Y.J. Yan in Applied Physics B (2004)

  5. No Access

    Article

    A large iron isotope effect in SmFeAsO1 - xF x and Ba1 - xK x Fe2As2

    The recent discovery of superconductivity in iron-based oxypnictides with the critical transition temperature (TC) higher than 39 K has generated great excitement. Work to determine the origin of the superconduct...

    R. H. Liu, T. Wu, G. Wu, H. Chen, X. F. Wang, Y. L. **e, J. J. Ying, Y. J. Yan… in Nature (2009)

  6. No Access

    Article

    Hydrogen Production by Catalytic Steam Reforming of Model Compounds of Biomass Fast Pyrolysis Oil

    A Ni/MgO-La2O3-Al2O3 catalyst with Ni as active component, Al2O3 as support, MgO and La2O3 as additives was prepared and its catalytic activity was evaluated in the process of hydrogen production from catalytic s...

    P. Lan, Q. L. Xu, L. H. Lan, Y. J. Yan, J. A. Wang in MRS Online Proceedings Library (2011)

  7. No Access

    Article

    Researches on detection of 3-D underground cave based on TEM technique

    Because of unreasonable coal mining in China, there are many unknown underground caves, and the inhabited environment of humans is threatened by many geologic hazards, such as cracking of the buildings, ground...

    G. Q. Xue, Y. J. Yan, J. L. Cheng in Environmental Earth Sciences (2011)

  8. No Access

    Article

    Superconductivity at 5 K in alkali-metal-doped phenanthrene

    Organic superconductors have π-molecular orbitals, from which electrons can become delocalized, giving rise to metallic conductivity due to orbital overlap between adjacent molecules. Here we report the discovery...

    X.F. Wang, R.H. Liu, Z. Gui, Y.L. **e, Y.J. Yan, J.J. Ying… in Nature Communications (2011)

  9. Article

    Open Access

    Electronic and magnetic phase diagram in KxFe2-ySe2 superconductors

    The correlation and competition between antiferromagnetism and superconductivity are one of the most fundamental issues in high temperature superconductors. Superconductivity in high temperature cuprate superc...

    Y. J. Yan, M. Zhang, A. F. Wang, J. J. Ying, Z. Y. Li, W. Qin… in Scientific Reports (2012)

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  10. Article

    Open Access

    Formation of As-As Interlayer Bonding in the collapsed tetragonal phase of NaFe2As2 under pressure

    NaFe2As2 is investigated experimentally using powder x-ray diffraction and Raman spectroscopy at pressures up to 23 GPa at room temperature and using ab-initio calculations. The results reveal a pressure-induced ...

    Elissaios Stavrou, **ao-Jia Chen, Artem R. Oganov, A. F. Wang… in Scientific Reports (2015)

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  11. No Access

    Article

    Plain s-wave superconductivity in single-layer FeSe on SrTiO3 probed by scanning tunnelling microscopy

    Single-layer FeSe film on SrTiO3(001) has recently come to the fore as an interfacial superconducting system, with a transition temperature that is significantly enhanced with respect to bulk FeSe. The mechanism ...

    Q. Fan, W. H. Zhang, X. Liu, Y. J. Yan, M. Q. Ren, R. Peng, H. C. Xu… in Nature Physics (2015)

  12. Article

    Open Access

    Dual topological states in the layered titanium-based oxypnictide superconductor BaTi2Sb2O

    Topological superconductors have long been predicted to host Majorana zero modes which obey non-Abelian statistics and have potential for realizing non-decoherence topological quantum computation. However, mat...

    Z. Huang, W. L. Liu, H. Y. Wang, Y. L. Su, Z. T. Liu, X. B. Shi… in npj Quantum Materials (2022)

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  13. No Access

    Article

    Synthesis, Crystal Structure, Fluorescence Property, and Theoretical Investigation of Counteranion-Introduced Ni(II) Complex with Pyridine-Appended Half-Salamo-Like Ligand

    A new counteranion-introduced Ni(II) complex, [Ni(L)(NCS)(EtOH)] supported by a pyridine-appended half-salamo-like ligand HL has been successfully obtained. The composition and structure of this Ni(II) complex...

    L. Li, C.-Y. Ma, Z.-F. Hu, Y.-J. Yan, X.-J. Han… in Russian Journal of Inorganic Chemistry (2023)