Timing observations of RRAT J1819-1458 at Urumqi Observatory (2008)
Esamdin, A., Zhao, C. S., Yan, Y., Wang, N., Nizamidin, H., Liu, Z. Y.
We report the timing-analysis results obtained for RRAT J1819-1458 from regular timing observations at 1.54 GHz using the Urumqi 25 m radio telescope between 2007 April to 2008 March. RRAT J1819-1458...
Observations of Six Glitches in PSR B1737-30 (2007)
Zou, W. Z., Wang, N., Manchester, R. N., Urama, J. O., Hobbs, G., Liu, Z. Y., ...
Six glitches have been recently observed in the rotational frequency of the young pulsar PSR B1737-30 (J1740-3015) using the 25-m Nanshan telescope of Urumqi Observatory. With a total of 20 glitches...
Structure and magnetocrystalline anisotropyp of Gd2Co17-xAlx compounds (2005)
Gu, Z., Liu, Z.Y., Zeng, D.C., Liang, S.Z., Boer, F.R. De, Buschow, K.H.J.
Liu, Z. Y., Yue, Lanping, Keavney, D. J., Adenwalla, Shireen
Interlayer exchange coupling has been studied in a series of [Pt( tPt à )/Co(4 à )]n/NiO( tNiO)/[Co(4 à )/Pt( tPt à )]n multilayers with perpendicular anisotropy. The coupling oscillates...
Xiang, J. Y., Liu, Z. Y., Li, J., Wang, P., Wang, R. L., Yang, H. P., ...
Pr$_{1-x}$Ca$_x$Ba$_2$Cu$_3$O$_{7-\delta}$($x\approx$0.5) thin films have been grown on SrTiO$_3$ and YSZ substrates by the pulsed laser ablation. The substrate temperature dependence of orientation...
Shan, L., Liu, Z. Y., Ren, Z. A., Che, G. C., Wen, H. H.
The low temperature specific heat of the superconductor MgCNi$_3$ and a non-superconductor MgC$_{0.85}$Ni$_3$ is investigated in detail. An additional contribution is observed from the data of...
Liu, Z.Y., Saulys, D.A., Kuech, Thomas F.
This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying...
Modifications of the electronic structure of GaSb surface by chalcogen atoms: S, Se, and Te (2004)
Liu, Z.Y., Gokhale, A.A., Mavrikakis, M., Saulys, D.A., Kuech, Thomas F.
This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying...
Shan, L., Gao, H., Liu, Z. Y., Park, Min-Seok, Kim, Kyung Hee, Jung, C. U., ...
Low barrier quasiparticle tunneling spectroscopy on Sr$_{0.9}$La$_{0.1}$CuO$_2$ has been studied with PtIr/Sr$_{0.9}$La$_{0.1}$CuO$_2$ point contacts at various temperatures and magnetic fields. No...
Liu, Z. Y., Adenwalla, Shireen
Interlayer exchange coupling that oscillates between antiferromagnetic and ferromagnetic as a function of NiO thickness has been observed in [Pt(5 Ã )/Co(4 Ã )]3/NiO(tNiO Ã )/[Co(4 Ã )/Pt(5...
Strong out-of-plane exchange biasing has been observed in out-of-plane exchange biased [Pt (5 Ã )/Co (4 Ã )] 3/NiO (11 Ã ) multilayer with perpendicular easy axis. Both the exchange field HE...
Liu, Z. Y., Wen, H. H., Shan, L., Yang, H. P., Lu, X. F., Gao, H., ...
Low temperature specific heat of the electron-doped (n-type) infinite-layer cuprate $Sr_{0.9}La_{0.1}CuO_{2}$ has been measured. The quasiparticle density of states (DOS) in the mixed state is found...
Liu, Z. Y., Adenwalla, Shireen
The magnetization reversal mechanism in an exchange-biased NiO/Ni81Fe19 bilayer has been investigated using the magneto-optic Kerr effect and magnetic force microscopy imaging. The asymmetric...
The correlation between ferromagnetic domain formation and exchange bias in a series of NiFe/NiO samples with varying NiO thicknesses has been investigated using the magneto-optic Kerr effect and...
The angular dependence of the magnetization reversal process in the exchange biased ferromagnetic/antiferromagnetic bilayers has been investigated carefully using the Stoner-Wohlfarth rotation model....
Consideration of possible mass and velocity corrections to magnetic cluster experiments (2003)
Liu, Z.Y., Dowben, Peter A., Popov, A.P., Pappas, David P.
Gadolinium occurs, in natural abundance, as several isotopes. The possible combinations of different gadolinium isotopes dictates that even for a fixed number of atoms in the cluster, clusters of...
Out-of-plane exchange coupling between epitaxial Ni(50 Ã ) and NiO(600 Ã ) bilayers (2003)
We have investigated the exchange coupling between an epitaxial Ni (50 Ã ) film with an out-of-plane magnetic easy axis and a NiO (600 Ã ) film by polar magneto-optic Kerr-effect measurements....
Influence of Carbon Concentration on the Superconductivity in MgCxNi3 (2003)
Shan, L., Xia, K., Liu, Z. Y., Wen, H. H., Ren, Z. A., Che, G. C., ...
The influence of carbon concentration on the superconductivity (SC) in MgC$_{x}$Ni$_3$ has been investigated by measuring the low temperature specific heat combined with first principles electronic...
Liu, Z. Y., Wen, H. H., Xiang, T., Komiya, Seiki, Sun, X. F., Ando, Yoichi
Low temperature specific heat has been measured for an overdoped $La_{2-x}Sr_xCuO_4$ (x = 0.22) single crystal. The quasiparticle density of states (DOS) in the mixed state is found to deviate from...
Wen, H. H., Liu, Z. Y., Xu, Z. A., Weng, Z. Y., Zhou, F., Zhao, Z. X.
Nernst effect has been measured for an underdoped and an optimally doped $La_{2-x}Sr_xCuO_4$ single crystal with the magnetic field applied along different directions. For both samples, when $H \|$...
A comparative study of GaSb (100) surface passivation by aqueous and nonaqueous solutions (2003)
Liu, Z.Y., Kuech, Thomas F., Saulys, D.A.
This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying...
Zhao, Z. W., Li, S. L., Ni, Y. M., Yang, H. P., Liu, Z. Y., Wen, H. H., ...
By doing magnetization measurements during magnetic field sweeps on thin films of the new superconductor $MgB_2$, it is found that in a low temperature and low field region small flux jumps are...
Intrinsic Percolative Superconductivity in Heavily Overdoped High Temperature Superconductors (2001)
Wen, H. H., Li, S. L., Zhao, Z. W., Liu, Z. Y., Yang, H. P., Zheng, D. N.
Magnetic measurements on heavily overdoped $La_{2-x}Sr_xCuO_4$, $Tl_2Ba_2CuO_6$, $Bi_2Sr_2CuO_6$ and $Bi_2Sr_2CaCu_2O_8$ single crystals reveal a new type magnetization hysteresis loops characterized...
Li, S. L., Wen, H. H., Zhao, Z. W., Ni, Y. M., Ren, Z. A., Che, G. C., ...
The lower critical field $H_{c1}$ has been carefully measured on a well shaped cylindrical sample of the new superconductor $MgB_2$ fabricated by high pressure synthesis. The penetration depth...
Strong quantum fluctuation of vortices in the new superconductor $MgB_2$ (2001)
Wen, H. H., Li, S. L., Zhao, Z. W., Ni, Y. M., Ren, Z. A., Che, G. C., ...
By using transport and magnetic measurement, the upper critical field $H_{c2}(T)$ and the irreversibility line $H_{irr}(T)$ has been determined. A big separation between $H_{c2}(0)$ and $H_{irr}(0)$...
On the occurrence of spin-reorientation transitions in R2Co17- xGax and R2Co17-xAlx compounds (2001)
Gu, Z., Liu, Z.Y., Zeng, D.C., Liang, S.Z., Klaasse, J.C.P., Bruck, E.H., ...
We have studied the concentration dependence of the anisotropy constants and spontaneous moments of several compounds of the series Gd2Co17-xGa-x and Gd2Co17-xAl-x .We have used these data in a...
Spin reorientations in RFe11-xCoxTi compounds (R=Tb, Er, Y) (2001)
Gu, Z., Zeng, D.C., Liu, Z.Y., Liang, S.Z., Klaasse, J.C.P., Bruck, E.H., ...
We have studied the magnetic properties of several series of RFe Co Ti compounds (R5Tb, Er and Y) by means of magnetic 112x x measurements and X-ray diffraction of magnetically aligned powder...
Magnetic properties of Tb2Co17-x Six compounds (2001)
Gu, Z., Zeng, D.C., Liu, Z.Y., Liang, S.Z., Klaasse, J.C.P., Bruck, E.H., ...
The magnetic properties of Tb2Co17xSix compounds (x ¼ 1, 2 and 3) were studied by magnetic measurements and X-ray diffraction. There is an almost linear strong decrease of the spontaneous...
Spin reorientations in La2-xTbxCo14B compounds (2001)
Gu, Z., Liu, Z.Y., Zeng, D.C., Liang, S.Z., Klaasse, J.C.P., Bruck, E.H., ...
We have studied the effect of magnetic dilution on the spin-reorientation transition in the tetragonal La2xTbxCo14B compounds. Spin reorientations in these compounds arise from a competition between...
Spin reorientations in La2-xHoxCo14B compounds (2001)
Gu, Z., Liu, Z.Y., Zeng, D.C., Liang, S.Z., Klaasse, J.C.P., Bruck, E.H., ...
We have studied the occurrence of spin-reorientation transitions in the tetragonal La Ho Co B compounds in the concentration 22x x 14 range 0.2#x#1.8. Spin orientations in these compounds arise from...
Spin reorientations in La2-xDyxCo14B and Y2-xTbxCo14B compounds (2001)
Gu, Z., Liu, Z.Y., Zeng, D.C., Liang, S.Z., Klaasse, J.C.P., Bruck, E.H., ...
We have studied the effect of magnetic dilution on the spin-reorientation transition in the tetragonal La2xDyxCo14B and Y2xTbxCo14B compounds. Spin orientations in these compounds arise from a...
Structure and magnetic properties of Pr2Co17-xSix compounds," (2000)
Zhang, Lei, Zeng, D.C., Liang, Yaoneng, Klaasse, J.C.P., Bruck, E.H., Liu, Z.Y., ...
The structure and magnetic properties of Pr2Co17-xSi-x compounds with Si concentrations up to x52 were studied by means of X-ray diffraction and magnetic measurements. All compounds have the...
Magnetic properties of Nd2Co17-xSix compounds (2000)
Zhang, Lei, Liang, Yaoneng, Zeng, D.C., Klaasse, J.C.P., Bruck, E.H., Liu, Z.Y., ...
The structure and magnetic properties of Nd2Co17~xSix compounds with Si concentrations up to 2 were investigated by means of X-ray di!raction and magnetic measurements. All compounds crystallize in...
Magnetic properties of Er2Co17-xSix compounds (2000)
Zhang, Lei, Zeng, D.C., Liang, Yaoneng, Klaasse, J.C.P., Bruck, E.H., Liu, Z.Y., ...
The structure and magnetic properties of Er2Co17~xSix compounds with Si concentrations up to 2 were investigated by X-ray di!raction and magnetic measurements. All compounds show easy-axis anisotropy...
Magnetic anisotropy evolution of (Ce,Y)2Co17 compounds (2000)
Zhang, Lei, Tegusi, T., Liu, Z.Y., Klaasse, J.C.P., Bruck, E.H., Boer, F.R. De, ...
The evolution of the magnetic anisotropy of (Ce,Y)2Co17 compounds with increasing Ce concentration was investigated by magnetic measurements and X-ray diffraction on magnetically aligned powders. At...
Influence of substitution of Ti, V, Cr, Cu and Mo for Co on the magnetic properties of Y2Co17 (2000)
Zhang, Lei, Liang, Yaoneng, Zeng, D.C., Klaasse, J.C.P., Bruck, E.H., Liu, Z.Y., ...
We have studied the in#uence of several transition-metal substituents on the magnetic properties of Y2Co16M compounds with M"Ti, V, Cr, Cu and Mo. X-ray-di!raction measurements show that a single...
Structure and magnetocrystalline anisotropy of Ho2(Co, Si)17 compounds (2000)
Hu, S.J., Tegusi, T., Wei, X.Z., Zhang, Lei, Zeng, D.C., Liu, Z.Y., ...
Magnetic properties of Dy2Co17-xSix compounds (1999)
Zhang, L., Zeng, D.C., Liang, Y.N., Klaasse, J.C.P., Brück, E.H., Liu, Z.Y.
Structure and magnetic properties of Ce2Co17-xAlx compounds (1999)
Hu, Shejun, Wei, X.Z., Zeng, D.C., Kou, X.C., Liu, Z.Y., Bruck, E.H., ...
Structure and magnetic properties of Ce2Co17-xSix compounds (1999)
Wei, X.Z., Hu, Shejun, Zeng, D.C., Kou, X.C., Liu, Z.Y., Bruck, E.H., ...
Anisotropy evolution in Ce2Co17-xGax compounds (1999)
Hu, Shejun, Wei, X.Z., Zeng, D.C., Kou, X.C., Liu, Z.Y., Bruck, E.H., ...
The magnetic properties of Ce2Co 17-xGax compounds for Ga concentrations up to x = 5 were studied by means of X-ray diffraction and magnetic measurements. The easy magnetisation direction is parallel...
Structure and magnetic properties of Y2Co17-xSix compounds. (1999)
Hu, Ming, Wei, X.Z., Zeng, D.C., Liu, Z.Y., Bruck, E.H., Klaasse, J.C.P., ...
The Y2Co17~xSix compounds have the hexagonal Th2Ni17 structure for x=0 but the rhombohedral Th2Zn17 structure for 0.1
Approximations of Thermoelastic and Viscoelastic Control Systems. (1998)
Burns, J. A., Liu, Z. Y., Miller, R. E.
This paper deals with the development and analysis of well-posed models and computational algorithms for control of a class of partial differential equations that describe the motions of...
Chen, H. C., Liu, Z. Y., Chuang, Y. C.
Thermal fatigue cycling and hot corrosion attack of plasma-sprayed ZrO2 and Al2O3 coatings were studied. Transmission electron microscopy (TEM) was also employed to observe two types of extraction...
Magnetic and crystallographic properties of Ce2Co17-xGax compounds (1998)
Boer, F.R. De, Wei, X., Hu, S.J., Zeng, D.C., Kou, X., Liu, Z.Y., ...
Raynal, M C, Liu, Z Y, Hirano, T, Mayer, L, Kishimoto, T, Chen-Kiang, S
The molecular mechanism by which interleukin 6 (IL-6) induces terminal differentiation of B cells was investigated in a subpopulation of the clonal human B-lymphoblastoid cell line CESS selected for...
Cytokine signaling through the novel tyrosine kinase RAFTK in Kaposi's sarcoma cells.
Liu, Z Y, Ganju, R K, Wang, J F, Ona, M A, Hatch, W C, Zheng, T, ...
A number of cytokines, including basic fibroblast growth factor (bFGF), vascular endothelial growth factor (VEGF), oncostatin M (OSM), IL-6, and tumor necrosis factor alpha (TNF-alpha), have been...
He, X Z, Chen, W, Liu, Z Y, Chapman, R S
In Xuan Wei County, Yunnan Province, lung cancer mortality rates are among China's highest in males and females. Previous studies have shown a strong association of lung cancer mortality with air...
Raynal, M C, Liu, Z Y, Hirano, T, Mayer, L, Kishimoto, T, Chen-Kiang, S
The molecular mechanism by which interleukin 6 (IL-6) induces terminal differentiation of B cells was investigated in a subpopulation of the clonal human B-lymphoblastoid cell line CESS selected for...
Cytokine signaling through the novel tyrosine kinase RAFTK in Kaposi's sarcoma cells.
Liu, Z Y, Ganju, R K, Wang, J F, Ona, M A, Hatch, W C, Zheng, T, ...
A number of cytokines, including basic fibroblast growth factor (bFGF), vascular endothelial growth factor (VEGF), oncostatin M (OSM), IL-6, and tumor necrosis factor alpha (TNF-alpha), have been...
He, X Z, Chen, W, Liu, Z Y, Chapman, R S
In Xuan Wei County, Yunnan Province, lung cancer mortality rates are among China's highest in males and females. Previous studies have shown a strong association of lung cancer mortality with air...
NOVEL HYDROPHILIC RESIN APPLIED IN HEAT-RESISTANT WATER-BORNE COATINGS
Z. Y. LIU, J. Y. WANG, Q. L. YAN, Y. KOU, X. G. JIAN
Poly(phthalazinone ether nitrile ketone)s (PPENK) was modified with NaOH in N,N-dimethyl acetamide (DMAc) in order to find a hydrophilic resin applied in heat-resistant water-borne coatings. The...