Search Results - "ZHANG, D. W"
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Investigation of Peak-to-Valley Current Ratio of GaN/AlN Resonant Tunneling Diodes
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…”
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2
Graphene-based counter electrode for dye-sensitized solar cells
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…”
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3
Detecting causal relationship between metabolic traits and osteoporosis using multivariable Mendelian randomization
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…”
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4
Committee machines—a universal method to deal with non-idealities in memristor-based neural networks
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…”
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5
Photoconduction of nanoparticle arrays pumped with near 1550 nm pulse lasers
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…”
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6
High power generation of THz from 1550-nm photoconductive emitters
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…”
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7
Abrupt dependence of ultrafast extrinsic photoconductivity on Er fraction in GaAs:Er
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…”
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Investigation of Switching Time in GaN/AlN Resonant Tunneling Diodes by Experiments and P-SPICE Models
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…”
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9
Effects of total flavonoids and flavonol glycosides from Epimedium koreanum Nakai on the proliferation and differentiation of primary osteoblasts
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…”
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10
The role of nitrogen doping in ALD Ta2O5 and its influence on multilevel cell switching in RRAM
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…”
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11
Fabrication of Cu(In, Ga)Se2 thin films by sputtering from a single quaternary chalcogenide target
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…”
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12
Generalized Plasticity Model for Sand with Enhanced State Parameters
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…”
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13
A Nonlinear Circuit Simulation of Switching Process in Resonant-Tunneling Diodes
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…”
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14
Demonstration of a GaAs-based 1550-nm continuous wave photomixer
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…”
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15
Epidemiology of prostate cancer: current status
Published in European review for medical and pharmacological sciences (2015)“…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…”
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16
Preliminary study on alleviation of heat-induced intestinal inflammation through compensatory effects of glucose oxidase
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…”
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Mixed matrix membranes embedded with Janus mesoporous silica nanoparticles for highly efficient water treatment
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…”
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18
THz behavior of indium-tin-oxide films on p-Si substrates
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…”
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Growth of Carbon Nanotubes on Clay: Unique Nanostructured Filler for High-Performance Polymer Nanocomposites
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…”
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Enhanced switching stability in Ta2O5 resistive RAM by fluorine doping
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…”
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