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  1. Article

    Open Access

    Mid-infrared Photoconductive Response in AlGaN/GaN Step Quantum Wells

    AlGaN/GaN quantum structure is an excellent candidate for high speed infrared detectors based on intersubband transitions. However, fabrication of AlGaN/GaN quantum well infrared detectors suffers from polariz...

    X. Rong, X. Q. Wang, G. Chen, X. T. Zheng, P. Wang, F. J. Xu… in Scientific Reports (2015)

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  2. Article

    Open Access

    Intersubband Transition in GaN/InGaN Multiple Quantum Wells

    Utilizing the growth temperature controlled epitaxy, high quality GaN/In0.15Ga0.85N multiple quantum wells designed for intersubband transition (ISBT) as novel candidates in III-nitride infrared device applicatio...

    G. Chen, X. Q. Wang, X. Rong, P. Wang, F. J. Xu, N. Tang, Z. X. Qin… in Scientific Reports (2015)

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  3. Article

    Open Access

    Revealing of the transition from n- to p-type conduction of InN:Mg by photoconductivity effect measurement

    We report evidence of the transition from n- to p-type conduction of InN with increasing Mg dopant concentration by using photoconductivity (PC) measurement at room temperature. This transition is depicted as ...

    L. Guo, X. Q. Wang, X. T. Zheng, X. L. Yang, F. J. Xu, N. Tang… in Scientific Reports (2014)

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  4. No Access

    Article

    Changing pollutants to green biogases for the crop food cycle chain

    When fossil fuels on the Earth are used up, which kind of green energy can be used to replace them? Do every bioenergy generation or crop food chain results in environmental pollution? These questions are majo...

    B. Y. Zong, F. J. Xu, B. D. Zong… in Environmental Science and Pollution Resear… (2012)

  5. No Access

    Article

    Aluminum-induced changes in reactive oxygen species accumulation, lipid peroxidation and antioxidant capacity in wheat root tips

    The present study investigated the effects of aluminum on lipid peroxidation, accumulation of reactive oxygen species and antioxidative defense systems in root tips of wheat (Triticum aestivum L.) seedlings. Expo...

    F. J. Xu, G. Li, C. W. **, W. J. Liu, S. S. Zhang, Y. S. Zhang… in Biologia Plantarum (2012)

  6. No Access

    Article

    High temperature dependence of the density of two-dimensional electron gas in Al0.18Ga0.82N/GaN heterostructures

    Temperature dependence of the density of two-dimensional electron gas (2DEG) in Al0.18Ga0.82N/GaN heterostructures has been investigated by means of high temperature Hall measurements ranging from room temperatur...

    M.J. Wang, B. Shen, F.J. Xu, Y. Wang, J. Xu, S. Huang, Z.J. Yang… in Applied Physics A (2007)

  7. No Access

    Article

    Antimicrobial surfaces of viologen-quaternized poly((2-dimethyl amino)ethyl methacrylate)-Si(100) hybrids from surface-initiated atom transfer radical polymerization

    To improve the antimicrobial ability of silicon-based bioelectronics and to tailor the silicon surfaces for inhibiting biofilm formation, well-defined functional polymer-Si(100) hybrids, consisting of nearly m...

    F. J. Xu, S. J. Yuan, S. O. Pehkonen, E. T. Kang, K. G. Neoh in NanoBiotechnology (2006)

  8. No Access

    Article

    Temperature characterization of Raman scattering in an AlGaN/GaN heterostructure

    Raman scattering from an AlGaN/GaN heterostructure was performed in the temperature range from 77 to 773 K. The first- and second-order Raman scattering of the A1 longitudinal-optical phonon–plasmon coupled mode ...

    D.J. Chen, B. Shen, X.L. Wu, J.C. Shen, F.J. Xu, K.X. Zhang, R. Zhang… in Applied Physics A (2005)

  9. No Access

    Article

    Microstructure and internal friction of spray deposited Al-3.3Fe-10.7Si alloy

    Al-3.3Fe-10.7Si alloy has been experimentally made with spray deposition technology. The internal friction of the alloy which was directly associated with the microstructures under spray deposited, extruted an...

    B. H. Luo, F. J. Xu, Y. Q. **e in Journal of Materials Science (2000)