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  1. No Access

    Article

    Influence of Electromagnetic Field Power and Temperature of Inductively Coupled Plasma Etching on the Uniformity of a Patterned Sapphire Substrate

    Patterned sapphire substrate technology can improve the growth performance and luminous efficiency of light-emitting diodes. In this work, dry etching by inductively coupled plasma is studied and adjusted. The...

    G. Q. **e, G. **, H. Y. Wang in Crystallography Reports (2023)

  2. No Access

    Article

    Visual Study of the Impact and Freezing Process of a Water Droplet on Carbon Fiber Plates

    The present study investigates the effects of droplet impact height, tilt angle, and surface temperature on the impact and freezing process of water droplet on a cold surface by using a Motionpro high-speed ca...

    J. J. Tian, H. Y. Wang, S. Mehendale, Z. Zhang… in Journal of Engineering Thermophysics (2023)

  3. No Access

    Article

    On the Discussions of Nonlinear Terms in the Large Deformation Model of Thin-Walled Cylindrical Shells

    The significance of the nonlinear terms in the governing equations to describe the transiently large deformation of a thin-walled cylindrical shell under impact pressures is discussed in this paper. Firstly, t...

    Y. Z. Li, J. W. Fu, L. F. Qian, H. Y. Wang in Mechanics of Solids (2023)

  4. 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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  5. No Access

    Article

    Crystal structure prediction of ReN2 under high pressure

    Three ReN2 phases (Pbcn, C2/m and P4/mbm) are searched to be stable under different pressures by the swarm-intelligence-based CALYPSO method. Pressure-induced phase transitions from Pbcn phase to C2/m phase at 68...

    H. Y. Wang, P. Yan, L. Xu, D. W. Zhou, D. Li in Indian Journal of Physics (2020)

  6. No Access

    Article

    Defect Structure and Evolution of GaN-Based Light-Emitting Diodes on Planar and Cone-Patterned Sapphire Substrates

    Epitaxial layers of GaN and InGaN/GaN multi-quantum well light emitting diodes (LEDs) were prepared both on cone-shaped patterned sapphire substrates and conventional sapphire substrates. The mechanism of nucl...

    H. Y. Wang, Y. L. Li, X. Y. He in Crystallography Reports (2020)

  7. No Access

    Article

    The high-energy particle package onboard CSES

    The China Seismo-Electromagnetic Satellite (CSES) aims to monitor space electromagnetic fields, ionospheric plasma, high-energy charged particles and other features of the global space environment. The high-en...

    X. Q. Li, Y. B. Xu, Z. H. An, X. H. Liang… in Radiation Detection Technology and Methods (2019)

  8. No Access

    Article

    Instability-free ion acceleration by two laser pulses

    We demonstrate the instability-free ion acceleration regime by introducing laser control with two parallel circularly polarized laser pulses at an intensity of I = 6.8 × 1021 W/cm2, normally incident on a hydroge...

    M.L. Zhou, S. Zhao, H.Y. Wang, C. Lin… in The European Physical Journal Special Topi… (2014)

  9. No Access

    Article

    Observational Results of the ChangE-1 Solar X-Ray Monitor

    We present the primary observations of the Solar X-ray Monitor (SXM) payload onboard the ChangE-1 lunar exploration satellite, which was launched on 24 October 2007. The SXM payload uses a solid-state silicon P-I...

    X. Z. Cui, H. Y. Wang, W. X. Peng, C. M. Zhang, X. H. Liang, J. Z. Wang… in Solar Physics (2014)

  10. No Access

    Article

    Fabrication and simulation of glass micromachining using CO2 laser processing with PDMS protection

    Traditional glass micromachining using laser processing in air would produce many kinds of defects, such as bulges, debris, micro-cracks and scorches. In this article, a poly-dimethylsiloxane (PDMS) protection...

    C. K. Chung, S. L. Lin, H. Y. Wang, T. K. Tan, K. Z. Tu, H. F. Lung in Applied Physics A (2013)

  11. No Access

    Article

    Study on the Phase Transition of Lanthanide-Doped Titania Nanoparticles by Photoacoustic Spectroscopy

    In this study, fairly uniform anatase TiO2 spheres doped with neodymium (III) have been prepared. It is found that the impregnation of neodymium (III) can remarkably inhibit the anatase–rutile transition. In orde...

    Y. T. Yang, H. Yang, H. Y. Wang, X. J. Liu… in International Journal of Thermophysics (2012)

  12. No Access

    Article

    Wavelength switching based on quantum-dot vertical-cavity surface-emitting laser

    This study investigates, for the first time, static and dynamic wavelength switching characteristics of the 1.3 μm quantum-dot vertical-cavity surface-emitting laser (QD VCSEL). The free-running QD VCSEL with ...

    P. C. Peng, H. Y. Wang, R. L. Lan, H. H. Lu, G. R. Lin, G. Lin, J. Y. Chi in Laser Physics (2012)

  13. Article

    Open Access

    Scattering mechanism in a step-modulated subwavelength metal slit: a multi-mode multi-reflection analysis

    In this paper, the scattering/transmission inside a step-modulated subwavelength metal slit is investigated in detail. We firstly investigate the scattering in a junction structure by two types of structural ...

    C. Li, Y. S. Zhou, H. Y. Wang in The European Physical Journal D (2012)

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  14. No Access

    Article

    A stable multiwavelength SOA-based fiber ring laser with ultra-narrow wavelength spacing

    This investigation demonstrates a stable multiwavelength fiber ring laser with ultra-narrow wavelength spacing using a semiconductor optical amplifier (SOA). A delay interferometer and a mirror are used as a d...

    P. C. Peng, A. L. Tsou, H. H. Yee, H. Y. Wang, H. H. Lu in Laser Physics (2012)

  15. No Access

    Article

    Experimental observation of bright-dark pulse emitting in an all-fiber ring cavity laser

    We demonstrate the emission of bright pulse and dark pulse in a simple all-fiber ring cavity laser by using self-pulsing technique. The switching between bright pulse and dark pulse can be realized by properly...

    H. Y. Wang, W. C. Xu, W. J. Cao, L. Y. Wang, J. L. Dong in Laser Physics (2012)

  16. No Access

    Article

    Wide-band tunable passively Q-switched all-fiber ring laser based on nonlinear polarization rotation technique

    A wide-band tunable passively Q-switched all-fiber ring laser based on nonlinear polarization rotation (NPR) technique is demonstrated. The NPR-induced intensity-dependent loss effect acts as an artificial sat...

    Z. -C. Luo, J. -R. Liu, H. -Y. Wang, A. -P. Luo, W. -C. Xu in Laser Physics (2012)

  17. No Access

    Article

    LD end-pumped c-Cut Nd:YVO4/KTP self-Raman laser at 560 nm

    Intra-cavity sum frequency generation (SFG) of c-cut Nd:YVO4 self-Raman laser was investigated for the first time. A 4 × 4 × 10 mm3 KTP crystal with a type-II phase-matching cutting angle (θ = 83.4°, φ = 0°) was ...

    Y. M. Duan, G. Zhang, Y. J. Zhang, Q. L. **, H. Y. Wang, H. Y. Zhu in Laser Physics (2011)

  18. No Access

    Article

    Passively Q-switched mode-locking Erbium-doped fiber laser with net-normal dispersion using nonlinear polarization rotation technique

    We experimentally demonstrate a passively Q-switched mode-locking (QML) operation in an Erbium-doped fiber ring laser with net normal dispersion by using nonlinear polarization rotation technique. A 2 m long s...

    L. Y. Wang, W. C. Xu, Z. C. Luo, W. J. Cao, A. P. Luo, J. L. Dong… in Laser Physics (2011)

  19. No Access

    Article

    Sub-100 kHz repetition rate erbium-doped fiber laser in anomalous dispersion regime

    We propose and demonstrate a simple but efficient way to generate low repetition rate pulses in an erbium-doped fiber ring laser by using self-pulsing technique. About 2.25 km long single mode fiber is used to...

    J. L. Dong, Z. C. Luo, W. C. Xu, A. P. Luo, L. Y. Wang, W. J. Cao… in Laser Physics (2011)

  20. No Access

    Article

    Electronic structures for armchair-edge graphene nanoribbons under a small uniaxial strain

    We theoretically investigate the electronic structures for armchair-edge graphene nanoribbons (AGNRs) under a small in-plane uniaxial strain along armchair (longitudinal) and zigzag (transversal) direction, r...

    W. H. Liao, B. H. Zhou, H. Y. Wang, G. H. Zhou in The European Physical Journal B (2010)

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