32 Result(s)

Article

Construction of two new 3D supramolecular networks with 3-pyridyl-4-yl-benzoic acid ligands: Synthesis, characterization, and luminescence

Two new coordination polymers with 3-pyridyl-4-yl-benzoic acid (3,4-HPybz), namely, [Zn(3,4-Pybz)₂ · 2H₂O] _n (I) and [Ag(3,4-Pybz)(3,4-HPybz)] _{n ...}

J. Guo, S. J. Li, D. -L. Miao, J. S. Liu… in Russian Journal of Coordination Chemistry (2014)

Article

Magnetoresistance in granular films formed by CoFe and phase change material

Magnetoresistance having a field and current dependence like that of GMR (but a rather small magnitude) has been observed in Co₇₀Fe₃₀/GeTe and Co₇₀Fe₃₀/Ge₂Sb₂Te₅ granular films. Film stacks were fabricated using ...

J. C. Huang, W. D. Song, J. A. Bain, Y. Yang, L. P. Shi… in Applied Physics A (2013)

Article

Nanostructure Fabrication Using Pulsed Lasers and Near-field Optical Properties of Sub-micron Particles

Recently, the field of nanoelectonics has evolved into a major area of investigation. In this paper, we present a novel method of nanofabrication using pulsed lasers and near-field optical properties of sub-mi...

L. Zhang, Y. F. Lu, W. D. Song, Y. W. Zheng… in MRS Online Proceedings Library (2011)

Article

Laser Cleaning of Nanoparticles from Solid Surfaces

The experimental analysis of dry laser cleaning efficiency is done for certified spherical particle (SiO₂, 5.0, 2.5, 1.0 and 0.5 μm) from different substrates (Si, Ge and NiP). The influence of different options ...

Y. F. Lu, W. Y. Zheng, L. Zhang, B. Luk’yanchuk… in MRS Online Proceedings Library (2011)

Article

Influence of Substrate Temperature on Barium Ferrite Films Prepared by Laser Deposition

Influence of substrate temperature on properties of barium ferrite films prepared by laser deposition is studied in this paper. The magnetic properties, grain shape and crystalline orientation of the films are...

W. D. Song, Y. F. Lu, W. J. Wang, T. C. Chong in MRS Online Proceedings Library (2011)

Article

Investigation on Laser-Induced Effects in Nanostructure Fabrication with Laser-Irradiated Scanning Tunneling Microscope Tips in Air Ambient

In this paper, we report our investigation on the kinetics of nanostructure fabrication on gold films and on H-passivated Ge surfaces. The relationship between the current and the tip-sample distance of the ST...

Z. H. Mai, Y. F. Lu, W. D. Song, W. K. Chim in MRS Online Proceedings Library (2011)

Article

Recent Progress on the Modeling of Laser Surface Cleaning

Laser cleaning has emerged to effectively remove contaminants from solid surfaces. In this paper, recent progress on laser cleaning has been studied. First, a cleaning model is established for removal of parti...

Y. F. Lu, W. D. Song, B. S. Lukyanchuk, M. H. Hong… in MRS Online Proceedings Library (2011)

Article

Mechanism and characteristics of steam laser patterning

Steam laser patterning of thin films and/or solid surfaces has been studied by jetting a beam of steam, such as water vapor, onto a sample surface to form a thin liquid film on it and patterning the sample by ...

W.D. Song, Q. **e in Applied Physics A (2008)

Article

Synthesis, structure, and third-order nonlinear optical properties of W/S cluster [Fe(DMF)₆][W₂(μ₂-S)₂S₄]

The homometal cluster [Fe(DMF)₆][W₂(μ₂-S)₂S₄] (I) was successfully synthesized by low-temperature solid-state reactions. X-ray single-crystal diffraction studies suggest that compound I is a dinuclear anion clust...

Y. Li, Z. X. Zhang, K. C. Li, W. D. Song in Russian Journal of Coordination Chemistry (2007)

Chapter

New Methods for Laser Cleaning of Nanoparticles

B. S. Luk’yanchuk, W. D. Song, Z. B. Wang… in Laser Ablation and its Applications (2007)

Article

Laser Synthesis of Sn-Ge-Sb-Te Phase Change Materials

Sn-doped Ge-Sb-Te films on Si substrates were prepared by laser synthesis at the different growth temperatures. The compositions of Sn-doped Ge-Sb-Te films were analysized by X-ray photoelectron spectroscopy. ...

W. D. Song, L. P. Shi, X. S. Miao, T. C. Chong in MRS Online Proceedings Library (2006)

Article

Structural and Optical Properties of Co-Doped ZnO Thin Films

Co-doped zinc oxide thin films (Zn_1−xCo _x O) have been deposited on c-plane sapphire substrates by dual-beam pulsed laser deposition. The films have lattice parameters similar to...

Y. Z. Peng, T. Liew, W. D. Song, C. W. An, K. L. Teo… in Journal of Superconductivity (2005)

Article

Barium ferrite (BaFe₁₂O₁₉) thin films prepared by pulsed laser deposition on MgO buffered Si substrates

Barium ferrite (BaFe₁₂O₁₉) thin films have been deposited by pulsed laser deposition (PLD) on Si substrates with MgO underlayers. The films were deposited in oxygen atmosphere by excimer laser (λ=248 nm, pulse du...

X.H. Liu, M.H. Hong, W.D. Song, G.X. Chen, H.M.J. Lam, J.P. Wang… in Applied Physics A (2005)

Article

Room temperature diluted magnetic semiconductor synthesized by dual beam laser deposition

Diluted magnetic semiconductor Co-doped ZnO film has been synthesized by a dual beam pulsed laser deposition method. The magnetic, electrical, and optical properties of the Zn_0.985Co_0.015O_0.67 film are studied in...

Y.Z. Peng, W.D. Song, C.W. An, J.J. Qiu, J.F. Chong, B.C. Lim… in Applied Physics A (2005)

Article

Growth Temperature and Properties of Ge₄Sb₃Te₃ Films

The growth temperature and properties of Ge₄Sb₃Te₃ thin films are presented in this paper. The critical growth temperature of Ge₄Sb₃Te₃ is between 300 and 340 °C. The Ge₄Sb₃Te₃ films can only be grown on a substr...

W. D. Song, L. P. Shi, X. S. Miao, X. Hu, H. K. Lee… in MRS Online Proceedings Library (2004)

Article

Particle on surface: 3D-effects in dry laser cleaning

Previous analysis of dry laser cleaning within the frame of a one-dimensional (1D) model with homogeneous surface heating shows that this model disagrees with experiments by one–two orders of magnitude. The pa...

B.S. Luk’Yanchuk, Z.B. Wang, W.D. Song, M.H. Hong in Applied Physics A (2004)

Article

Laser synthesis of new materials

The dual-beam laser ablation of different targets for synthesizing new materials within the overlap** plasma area has been investigated. This method is termed ‘laser synthesis of new materials’ and it is fle...

W.D. Song, M.H. Hong, T. Osipowicz, D.Y. Dai, S.I. Pang, Y.Z. Peng… in Applied Physics A (2004)

Article

Pulsed laser deposition of oriented barium ferrite (BaFe₁₂O₁₉) thin films

Barium ferrite (BaFe₁₂O₁₉) thin films have been deposited by pulsed laser deposition at 900 °C in 250 mTorr oxygen on Si substrates with Pt (111) underlayers. The barium ferrite films contained platelet grains an...

X.H. Liu, M.H. Hong, W.D. Song, G.X. Chen, J.F. Chong, J.P. Wang… in Applied Physics A (2004)

Article

Photoluminescence from Silicon Nanocrystals Formed by Pulsed-Laser Deposition

Si nanocrystals (NCs) consisting of small crystals from 1 to 20 nm were formed by pulsedlaser deposition (PLD) in inert Ar gas and reactive O₂ gas. The oxygen content of the Si NCs increases with increasing O₂ am...

X. Y. Chen, Y. F. Lu, Y. H. Wu, B. J. Cho, W. D. Song… in MRS Online Proceedings Library (2003)