Search Results - "ZHANG, D. W"

Refine Results
  1. 1

    Investigation of Peak-to-Valley Current Ratio of GaN/AlN Resonant Tunneling Diodes by Zhang, W.-D., Brown, E. R., Growden, T. A., Berger, P. R.

    Published in IEEE transactions on electron devices (01-07-2023)
    “…Peak-to-valley current ratios (PVCRs) achie-ved in GaN/AlN resonant tunneling diodes (RTDs) are less than 2, significantly less than their counterparts, such…”
    Get full text
    Journal Article
  2. 2

    Graphene-based counter electrode for dye-sensitized solar cells by Zhang, D.W., Li, X.D., Li, H.B., Chen, S., Sun, Z., Yin, X.J., Huang, S.M.

    Published in Carbon (New York) (01-12-2011)
    “…Graphene nanosheets (GNs) were synthesized and used as a substitute for platinum as counter-electrode materials for dye-sensitized solar cells (DSSCs). The…”
    Get full text
    Journal Article
  3. 3

    Detecting causal relationship between metabolic traits and osteoporosis using multivariable Mendelian randomization by Zhang, Q., Greenbaum, J., Shen, H., Zhao, L.-J., Zhang, W.-D., Sun, C.-Q., Deng, H.-W.

    Published in Osteoporosis international (01-04-2021)
    “…Summary By adopting the extension approaches of Mendelian randomization, we successfully detected and prioritized the potential causal risk factors for BMD…”
    Get full text
    Journal Article
  4. 4

    Committee machines—a universal method to deal with non-idealities in memristor-based neural networks by Joksas, D., Freitas, P., Chai, Z., Ng, W. H., Buckwell, M., Li, C., Zhang, W. D., Xia, Q., Kenyon, A. J., Mehonic, A.

    Published in Nature communications (26-08-2020)
    “…Artificial neural networks are notoriously power- and time-consuming when implemented on conventional von Neumann computing systems. Consequently, recent years…”
    Get full text
    Journal Article
  5. 5

    Photoconduction of nanoparticle arrays pumped with near 1550 nm pulse lasers by Zhang, W.-D., Middendorf, J.R., Brown, E.R.

    Published in Solid state communications (01-01-2022)
    “…When erbium (Er) concentration is greater than ∼7 × 1017/cm3, ErAs nanoparticles with various sizes are formed spontaneously in GaAs epitaxial layer during MBE…”
    Get full text
    Journal Article
  6. 6

    High power generation of THz from 1550-nm photoconductive emitters by Mingardi, A, Zhang, W-D, Brown, E R, Feldman, A D, Harvey, T E, Mirin, R P

    Published in Optics express (28-05-2018)
    “…Two photoconductive emitters - one with a self-complementary square spiral antenna, and the other with a resonant slot antenna - were fabricated on a GaAs…”
    Get full text
    Journal Article
  7. 7

    Abrupt dependence of ultrafast extrinsic photoconductivity on Er fraction in GaAs:Er by Brown, E. R., Mingardi, A., Zhang, W.-D., Feldman, A. D., Harvey, T. E., Mirin, R. P.

    Published in Applied physics letters (17-07-2017)
    “…We present a study of room-temperature, ultrafast photoconductivity associated with a strong, sub-bandgap, resonant absorption around λ = 1550 nm in three…”
    Get full text
    Journal Article
  8. 8

    Investigation of Switching Time in GaN/AlN Resonant Tunneling Diodes by Experiments and P-SPICE Models by Zhang, W.-D., Growden, T. A., Storm, D. F., Meyer, D. J., Berger, P. R., Brown, E. R.

    Published in IEEE transactions on electron devices (01-01-2020)
    “…The experimental and simulated switching behavior across the negative differential resistance (NDR) region of GaN/AlN double-barrier resonant tunneling diodes…”
    Get full text
    Journal Article
  9. 9

    Effects of total flavonoids and flavonol glycosides from Epimedium koreanum Nakai on the proliferation and differentiation of primary osteoblasts by Zhang, D.-W., Cheng, Y., Wang, N.-L., Zhang, J.-C., Yang, M.-S., Yao, X.-S.

    Published in Phytomedicine (Stuttgart) (01-01-2008)
    “…In a bioassay-guided drug screening for anti-osteoporosis activity, eight flavonol glycosides were isolated from Epimedium koreanum Nakai, which is…”
    Get full text
    Journal Article
  10. 10

    The role of nitrogen doping in ALD Ta2O5 and its influence on multilevel cell switching in RRAM by Sedghi, N., Li, H., Brunell, I. F., Dawson, K., Potter, R. J., Guo, Y., Gibbon, J. T., Dhanak, V. R., Zhang, W. D., Zhang, J. F., Robertson, J., Hall, S., Chalker, P. R.

    Published in Applied physics letters (06-03-2017)
    “…The role of nitrogen doping on the stability and memory window of resistive state switching in N-doped Ta2O5 deposited by atomic layer deposition is…”
    Get full text
    Journal Article
  11. 11

    Fabrication of Cu(In, Ga)Se2 thin films by sputtering from a single quaternary chalcogenide target by Shi, J. H., Li, Z. Q., Zhang, D. W., Liu, Q. Q., Sun, Z, Huang, S. M.

    Published in Progress in photovoltaics (01-03-2011)
    “…Single‐layered Cu‐In‐Ga‐Se precursors were fabricated by one‐step sputtering of a single quaternary Cu(In,Ga)Se2 (CIGS) chalcogenide target at room…”
    Get full text
    Journal Article
  12. 12

    Generalized Plasticity Model for Sand with Enhanced State Parameters by Cen, W. J, Luo, J. R, Bauer, E, Zhang, W. D

    Published in Journal of engineering mechanics (01-12-2018)
    “…AbstractThis paper presents a constitutive model for sand based on the framework of generalized plasticity and the concept of critical state soil mechanics. In…”
    Get full text
    Journal Article
  13. 13

    A Nonlinear Circuit Simulation of Switching Process in Resonant-Tunneling Diodes by Zhang, W.-D, Brown, E. R., Growden, T. A., Berger, P. R., Droopad, R.

    Published in IEEE transactions on electron devices (01-12-2016)
    “…A large-signal circuit model is used to compute the switching time for double-barrier resonant-tunneling diodes. The model consists of linear circuit elements…”
    Get full text
    Journal Article
  14. 14

    Demonstration of a GaAs-based 1550-nm continuous wave photomixer by Zhang, W.-D., Middendorf, J. R., Brown, E. R.

    Published in Applied physics letters (12-01-2015)
    “…An Er:GaAs-based 1550-nm CW photomixer is demonstrated. The related mechanism is extrinsic photoconductivity with optical absorption between the localized deep…”
    Get full text
    Journal Article
  15. 15

    Epidemiology of prostate cancer: current status by Tao, Z-Q, Shi, A-M, Wang, K-X, Zhang, W-D

    “…Prostate cancer is one of the most common cancers affecting men with > 1,100,000 new cases and 300,000 deaths worldwide each year. The disease is more common…”
    Get more information
    Journal Article
  16. 16

    Preliminary study on alleviation of heat-induced intestinal inflammation through compensatory effects of glucose oxidase by Wang, Z., Zhang, D. -W., Xiao, Z. -Z., Qi, C. -H., Yuan, J., Feng, H. -X.

    Published in British poultry science (04-03-2022)
    “…1. The influence of glucose oxidase (GOD) supplementation on growth, gut inflammation and its compensatory effects in broilers was investigated before and…”
    Get full text
    Journal Article
  17. 17

    Mixed matrix membranes embedded with Janus mesoporous silica nanoparticles for highly efficient water treatment by Mi, Z. M., Zhang, D. W., Wang, D. M., Liu, Z. X.

    Published in Express polymer letters (01-04-2021)
    “…A periodic mesoporous organosilica (PMO) Janus nanoparticle (PMO-SO3H&SiO2-NR) was gently synthesized and mixed with polyethersulfone (PES) to fabricate a…”
    Get full text
    Journal Article
  18. 18

    THz behavior of indium-tin-oxide films on p-Si substrates by Brown, E. R., Zhang, W-D., Chen, H., Mearini, G. T.

    Published in Applied physics letters (31-08-2015)
    “…This paper reports broadband THz free-space transmission measurements and modeling of indium-tin-oxide (ITO) thin films on p-doped Si substrates. Two such…”
    Get full text
    Journal Article
  19. 19

    Growth of Carbon Nanotubes on Clay: Unique Nanostructured Filler for High-Performance Polymer Nanocomposites by Zhang, W.-D., Phang, I. Y., Liu, T. X.

    Published in Advanced materials (Weinheim) (05-01-2006)
    “…High‐performance composites are produced using nanostructured clay–carbon nanotube (CNT) hybrids as a reinforcing filler. The intercalation of iron particles…”
    Get full text
    Journal Article
  20. 20

    Enhanced switching stability in Ta2O5 resistive RAM by fluorine doping by Sedghi, N., Li, H., Brunell, I. F., Dawson, K., Guo, Y., Potter, R. J., Gibbon, J. T., Dhanak, V. R., Zhang, W. D., Zhang, J. F., Hall, S., Robertson, J., Chalker, P. R.

    Published in Applied physics letters (28-08-2017)
    “…The effect of fluorine doping on the switching stability of Ta2O5 resistive random access memory devices is investigated. It shows that the dopant serves to…”
    Get full text
    Journal Article