Zhang, W. Y., Zhao, Y. G., Guo, Z. P., Qiao, P. T., Cui, L., Luo, L. B., ...
Effect of Ti doping on the electrical transport and magnetic properties of layered Na0.8Co1-xTixO2 compounds has been investigated. The lattice parameters a and c increase with x. A minor amount of...
Zhang, X. P., Xiao, Y. S., Zhou, H., Xie, B. T., Yang, C. X., Zhao, Y. G.
In this paper, we report the growth of NaxCoO2 thin films by pulsed-laser deposition (PLD). It is shown that the concentration of sodium is very sensitive to the substrate temperature and the...
Universal behavior of giant electroresistance in epitaxial La0.67Ca0.33MnO3 thin films (2004)
Zhao, Y. G., Wang, Y. H., Zhang, G. M., Zhang, B., Zhang, X. P., Yang, C. X., ...
We report a giant resistance drop induced by dc electrical currents in La0.67Ca0.33MnO3 epitaxial thin films. Resistance of the patterned thin films decreases exponentially with increasing current...
Electrical transport and magnetic properties of nanostructured La0.67Ca0.33MnO3 (2004)
Zhao, Y. G., Cai, W., Wu, X. S., Zhang, X. P., Wang, K., Gao, S. N., ...
Nanostructured La0.67Ca0.33MnO3 (NS-LCMO) was formed by pulsed-laser deposition on the surface of porous Al2O3. The resistance peak temperature (Tp) of the NS-LCMO increases with increasing average...
Yang, J. H., Zhang, X. P., Mai, Y-W., Jia, W. P., Ke, W.
A copper single crystal was tested at room temperature in air and in a 0.1M HClO4 solution under the symmetric tension-compression load mode, with loading axis parallel to the [013] direction. The...
Zhang, X. P., Ye, L., Mai, Y. W., Galea, S.
Degradation of piezoelectric properties of piezomaterials has long been a concern in the applications of actuators and sensors. In this work, alternating electric field induced fatigue crack growth...
Zhang, X. P., Mai, Y. W., Shi, Y. W., Ye, L.
Creep performance of soldered connections is significant to the reliability evaluation and lifetime prediction of microelectronic and optoelectronic/photonic packaging systems. In this work, creep...
Zhang, X. P., Mai, Y. W., Shi, Y. W., Ye, L., Atrens, A., Boland, J. N., ...
Creep performance of soldered connections is significant to the reliability evaluation and lifetime prediction of microelectronic and optoelectronic/photonic packaging systems. In this work, creep...
Zhang, X. P., Ye, L., Mai, Y. W., Galea, S., Atrens, A., Boland, J. N., ...
Degradation of piezoelectric properties of piezomaterials has long been a concern in the applications of actuators and sensors. In this work, alternating electric field induced fatigue crack growth...
Yang, J. H., Zhang, X. P., Mai, Y-W., Jia, W. P., Ke, W., Atrens, A., ...
A copper single crystal was tested at room temperature in air and in a 0.1M HClO4 solution under the symmetric tension-compression load mode, with loading axis parallel to the [013] direction. The...
Zhang, X.P., Ye, L., Mai, Y.W., Galea, S.
The influence of applied electric field on fracture toughness and cyclic electric field induced fatigue crack growth behaviour was characterized for an actuator piezoelectric ceramic under the...
Yang, J. H., Zhang, X. P., Mai, Y-W., Jia, W. P., Ke, W.
A copper single crystal was tested at room temperature in air and in a 0.1M HClO4 solution under the symmetric tension-compression load mode, with loading axis parallel to the [013] direction. The...
Zhang, X. P., Ye, L., Mai, Y. W., Galea, S.
Degradation of piezoelectric properties of piezomaterials has long been a concern in the applications of actuators and sensors. In this work, alternating electric field induced fatigue crack growth...
Zhang, X. P., Mai, Y. W., Shi, Y. W., Ye, L.
Creep performance of soldered connections is significant to the reliability evaluation and lifetime prediction of microelectronic and optoelectronic/photonic packaging systems. In this work, creep...
Effects of Mn-substitution for Co on the structure and physical properties of NayCoO2 (2003)
Zhang, W. Y., Yu, H. C., Zhao, Y. G., Zhang, X. P., Shi, Y. G., Cheng, Z. H., ...
Structure, transport and magnetic properties have been investigated for layered NaCo1-xMnxO2 materials. With the increase of Mn-doping amount, measurements of x-ray diffraction indicate that the...
Yan, W., Wang, C.H., Zhang, X.P., Mai, Y.W.
Stimulated by recent experimental results on superelastic NiTi shape memory alloy, a theoretical study is carried out to quantify the effect of plasticity on stress-induced martensite transformation,...
Zhang, X.P., Wang, C.H., Ye, L., Mai, Y.W.
In situ scanning electron microscope observations of short crack growth in both a poly-crystal and a single-crystal alloy revealed that fatigue cracks may grow in a shear decohesion mode over a...
Yan, W., Wang, C.H., Zhang, X.P., Mai, Y.W.
Shape memory alloys (SMAs) exhibit two very important properties: shape memory phenomenon and superelastic deformation due to intrinsic thermoelastic martensitic transformation. To fully exploit the...
Zhang, X. P., Hebling, J., Kuhl, J., Rühle, W. W., Palfalvi, L., Giessen, H.
We present an experimental and a theoretical analysis of the operation characteristics of a femtosecond optical parametric oscillator (OPO) based on periodically poled LiNbO3 (PPLN). It provides...
1-GHz-repetition-rate femtosecond optical parametric oscillator (2002)
Zhang, X. P., Hebling, J., Bartels, A., Nau, D., Kuhl, J., Rühle, W. W., ...
We report a 1-GHz-repetition-rate, low-pump-threshold, all- solid-state femtosecond optical parametric oscillator (OPO) based on periodically poled LiNbO3 and pumped by a GHz repetition rate...
1-GHz repitition rate femtosecond optical parametric oscillator (2002)
Zhang, X. P., Hebling, J., Bartels, A., Nau, D., Kuhl, J., Rühle, W. W., ...
1-GHz repitition rate femtosecond optical parametric oscillator (2002)
Zhang, X. P., Kuhl, J., Hebling, J., Bartels, A., Nau, D., Rühle, W. W., ...
Zhao, Y. G., Zhang, X. P., Qiao, P. T., Zhang, H. T., Jia, S. L., ...
We report the preparation of Mg$_{1-x}$B$_{2}$ (0$\le$x$\le$0.5) compounds with the nominal compositions. Single phase MgB$_{2}$ was obtained for x=0 sample. For 0$
Effect of Li doping on structure and superconducting transition temperature of Mg1-xLixB2 (2001)
Zhao, Y. G., Zhang, X. P., Qiao, P. T., Zhang, H. T., Jia, S. L., ...
We report the preparation of Mg1-xLixB2 compounds. Nearly single phased samples were obtained for x
Zhang, X. P., Hebling, J., Kuhl, J., Rühle, W. W., Giessen, H.
We have achieved efficient simultaneous intracavity doubling of the signal frequency and sum-frequency generation between the signal and the pump in a periodically poled LiNbO3 femtosecond optical...
Zhang, X.P., Mai, Y.W., Ye, L., Wang, C.H., Li, J.C.
A new model combining both plasticity-induced and surface roughness-induced crack closures is proposed to describe short fatigue crack growth. The numerical results obtained using this mode agree...
We have used site-directed mutagenesis to replace amino acid 1 of the recognition alpha-helix of the catabolite gene activator protein (CAP), Arg-180, with glycine and with alanine. Substitution of...
Ebright, R H, Gunasekera, A, Zhang, X P, Kunkel, T A, Krakow, J S
Two similar, but not identical, models have been proposed for the amino acid-base pair contacts in the CAP-DNA complex ('model I,' Weber, I. and Steitz, T., Proc. Natl. Acad. Sci. USA, 81, 3973-3977,...
Pavlov, P F, Moberg, P, Zhang, X P, Glaser, E
We have isolated a soluble import-competent 15 kDa N-terminal fragment of the overexpressed Nicotiana plumbaginifolia F1beta precursor of the ATP synthase (N15pF1beta). The isolation was achieved...
We have used site-directed mutagenesis to replace amino acid 1 of the recognition alpha-helix of the catabolite gene activator protein (CAP), Arg-180, with glycine and with alanine. Substitution of...
Ebright, R H, Gunasekera, A, Zhang, X P, Kunkel, T A, Krakow, J S
Two similar, but not identical, models have been proposed for the amino acid-base pair contacts in the CAP-DNA complex ('model I,' Weber, I. and Steitz, T., Proc. Natl. Acad. Sci. USA, 81, 3973-3977,...
Pavlov, P F, Moberg, P, Zhang, X P, Glaser, E
We have isolated a soluble import-competent 15 kDa N-terminal fragment of the overexpressed Nicotiana plumbaginifolia F1beta precursor of the ATP synthase (N15pF1beta). The isolation was achieved...
This paper describes the preliminary results of corrosion protection of AZ91D Mg alloy coated with a micro-arc oxidation (MAO) coating. The corrosion behavior of coated substrates was evaluated by...
Immersion and electrochemical tests have been applied to study corrosion protection of AZ91D Mg alloy coating with chrome-free chemical conversion (CCC) coat in 5wt% NaCl solution. The immersions...