L. X. Yang

The superconductivity at 18 K in LiFeAs system (2008)

Wang, X. C., Liu, Q. Q., Lv, Y. X., Gao, W. B., Yang, L. X., Yu, R. C., ...

A new iron arsenide superconducting system LiFeAs was found that crystallizes into a tetragonal structure with space group P4/nmm. The superconductivity with Tc up to 18 K was observed in the...

Electronic structure and exotic exchange splitting in spin-density-wave states of BaFe$_2$As$_2$ (2008)

Yang, L. X., Zhang, Y., Ou, H. W., Zhao, J. F., Shen, D. W., Zhou, B., ...

The magnetic properties in the parent compounds are often intimately related to the microscopic mechanism of superconductivity. Here we report the first direct measurements on the electronic...

Primary role of the barely occupied states in the charge density wave formation of NbSe2 (2008)

Shen, D. W., Zhang, Y., Yang, L. X., Wei, J., Ou, H. W., Dong, J. K., ...

NbSe2 is a prototypical charge-density-wave (CDW) material, whose mechanism remains mysterious so far. With angle resolved photoemission spectroscopy, we mapped out the CDW gap and recovered the...

Doping-insensitive density-of-states suppression in polycrystalline iron-based superconductor SmO$_{1-x}$F$_{x}$FeAs (2008)

Ou, H. W., Zhang, Y., Zhao, J. F., Wei, J., Shen, D. W., Zhou, B., ...

We investigated the temperature dependence of the density-of-states in the iron-based superconductor SmO_1-xF_xFeAs (x=0, 0.12, 0.15, 0.2) with high resolution angle-integrated photoemission...

Angle integrated photoemission study of SmO$_{0.85}$F$_{0.15}$FeAs (2008)

Ou, H. W., Zhao, J. F., Zhang, Y., Shen, D. W., Zhou, B., Yang, L. X., ...

The electronic structure of the new superconductor, SmO$_{1-x}$F$_x$FeAs ($x=0.15$), has been studied by angle-integrated photoemission spectroscopy. Our data show a sharp feature very close to the...

Superconducting coherence peak in the electronic excitations of a single layer cuprate superconductor $Bi_2 Sr_{1.6} La_{0.4} Cu O_{6+\delta}$ (2008)

Wei, J., Zhang, Y., Ou, H. W., Xie, B. P., Shen, D. W., Zhao, J. F., ...

Angle resolved photoemission spectroscopy study is reported on a high quality optimally doped Bi2Sr1.6La0.4CuO6+delta high Tc superconductor. In the antinodal region with maximal d-wave gap, the...

The Physcomitrella genome reveals evolutionary insights into the conquest of land by plants (2008)

Rensing, S. A., Lang, D., Zimmer, A. D., Terry, A., Salamov, A., Shapiro, H., ...

Evolution of the Electronic Structure of 1T-CuxTiSe2 (2006)

Zhao, J. F., Ou, H. W., Wu, G., Xie, B. P., Zhang, Y., Shen, D. W., ...

The electronic structure of a new charge-density-wave/ superconductor system, 1T-CuxTiSe2, has been studied by photoemission spectroscopy. A correlated semiconductor band structure is revealed for...

A novel mechanism of charge density wave in a transition metal dichalcogenide (2006)

Shen, D. W., Xie, B. P., Zhao, J. F., Yang, L. X., Fang, L., Shi, J., ...

Charge density wave, or CDW, is usually associated with Fermi surfaces nesting. We here report a new CDW mechanism discovered in a 2H-structured transition metal dichalcogenide, where the two...

Enhancement of the superconducting critical temperature of Sr2CuO3+d up to 95K by ordering dopant atoms (2006)

Liu, Q. Q., Yang, H., Qin, X. M., Yu, Y., Yang, L. X., Li, F. Y., ...

We address the question of whether the superconducting transition temperature (Tc) of high-Tc cuprates is enhanced when randomly distributed dopant atoms form an ordered array in the charge reservoir...

High-Pressure Induced Structural Phase Transition in CaCrO4: Evidence from Raman Scattering Studies (2005)

Long, Y. W., Zhang, W. W., Yang, L. X., Yong, Y., Yu, R. C., Ding, S., ...

Raman spectroscopic studies have been carried out on CaCrO4 under pressure up to 26GPa at ambient temperature. The Raman spectra showed CaCrO4 experienced a continuous structural phase transition...

Isostructural Phase Transition of TiN Under High Pressure (2005)

Zhao, J. G., Yang, L. X., Yu, Y., You, S. J., Yu, R. C., Chen, L. C., ...

In situ high-pressure energy dispersive x-ray diffraction experiments on polycrystalline powder TiN with NaCl-type structure have been conducted with the pressure up to 30.1 GPa by using the diamond...

Phase separation, effects of magnetic field and high pressure on charge ordering in y-Na0.5CoO2 (2004)

Yang, H. X., Shi, Y. G., Nie, C. J., Wu, D., Yang, L. X., Dong, C., ...

Transmission electron microscopy observations reveal the presence of complex superstructures and remarkable phase separation in association with Na-ordering phenomenon in y-Na0.5CoO2. Resistivity and...

High-pressure synthesis of the cubic perovskite BaRuO3 and evolution of ferromagnetism in ARuO3 (A = Ca, Sr, Ba) ruthenates

Goodenough, J. B., Liu, Q. Q., Zhao, J. G., Yang, L. X., ...

The cubic perovskite BaRuO3 has been synthesized under 18 GPa at 1,000°C. Rietveld refinement indicates that the new compound has a stretched Ru–O bond. The cubic perovskite BaRuO3 remains...