Magnesium ion-implantation-based gallium nitride p-i-n photodiode for visible-blind ultraviolet detection


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In this work, a GaN p-i-n diode based on Mg ion implantation for visible-blind UV detection is demonstrated. With an optimized implantation and annealing process, a p-GaN layer and corresponding GaN p-i-n photodiode are achieved via Mg implantation. As revealed in the UV detection characterizations, these diodes exhibit a sharp wavelength cutoff at 365?nm, high UV/visible rejection ratio of
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2021-01-26
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p-Type conductivity of hexagonal boron nitride as a dielectrically tunable monolayer: modulation doping with magnesium
2021-02-08p-Type conductivity of hexagonal boron nitride as a dielectrically tunable monolayer: modulation dop
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Biocompatibility of Rare Earth-magnesium Alloy Mg-RE-Zn in Different States
2020-02-12不同状态下稀土镁合金的生物相容性能研究,陆冶,白晶,传统医用镁合金材料有诸多缺点,比如含有有害元素以及较差的耐蚀性能。本文采用了了电化学测试、浸泡测试以及力学性能测试研究了
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High-power PPMgLN-based optical parametric oscillator pumped by a linearly polarized, semi-fiber-coupled acousto-optic Q-switched fiber master oscillator power amplifier
2021-02-20We have experimentally demonstrated a periodically poled magnesium-oxide-doped lithium niobate (PPMg
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Performance of optical amplifier employing silica host magnesium-aluminum-germanium co-doped erbium-doped fiber
2021-02-11Two silica host magnesium(Mg)-aluminum(Al)-germanium(Ge) co-doped erbium-doped fibers (EDFs) have be
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Synthesis and investigation of photoluminescence properties of magnesium nitride phosphor
2020-02-03氮化镁的制备及发光性能研究,龙强,王育华,本文报道了一种低温下通过固相法合成的新型红色荧光粉Mg3-xN2(0 ≤ x ≤ 0.08)。该荧光粉激发范围在250nm-450nm,主峰位于428nm。在
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Electrodeposition of a protective Cu/Ni-P deposit on AZ91D magnesium alloy
2020-03-14AZ91D镁合金电沉积保护性Cu/Ni-P镀层,张珊,曹发和,通过优化的前处理,包括一步酸洗活化和一次侵锌,在AZ91D镁合金表面电沉积制备了高耐蚀的Cu/Ni-P镀层。考察了pH值和电流密度等对Ni
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Double-Walled Magnesium Silicate Hollow Nanofibers with Hierarchical Structure for Waste-Water Treatment
2020-01-07具有多级结构的硅酸镁双层空心纳米纤维的制备以及在水污染物处理方面的应用研究,金仁喜,邢艳,本文采用静电纺丝和水热相结合的方法,制备了具有多级结构的硅酸镁双层空心纳米纤维。通过表征发现,所制备的硅酸镁双
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Effects of cerium on the microstructure and mechanical properties of Mg-16Zn-6Al magnesium alloy
2020-01-08Effects of cerium on the microstructure and mechanical properties of Mg-16Zn-6Al magnesium alloy,刘旭东
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Middle-infrared intracavity periodically poled MgO:LiNbO3 optical parametric oscillator
2021-02-10A periodically poled magnesium oxide-doped lithium niobate (5 mol% MgO:PPLN) intracavity optical par
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Fluorescence Quenching of Pheophytin-a by Copper(II) Ions
2021-02-06A method was developed for determination of Cu(II) ions quantitatively by measuring fluorescent inte
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Microstructure and mechanical properties of AZ31B magnesium alloy prepared by solid -state recycling process from chips
2020-01-30固相再生AZ31B镁合金组织及性能,吉泽升,武淑艳,采用冷压-热挤压,热压-热挤压,两次挤压三种方式进行AZ31B镁合金固相再生,对再生试样的显微组织结构和抗拉强度进行了研究,对于�
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Modeling of Flow Stress of AZ31B Magnesium Alloy with Small Samples Based on Random Error and Entropy Neural Network
2021-02-09Modeling of Flow Stress of AZ31B Magnesium Alloy with Small Samples Based on Random Error and Entrop
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Electrochemical Properties of Magnesium Based Hydrogen Storage Alloys Improved by Transition Metal Borides and Silicides additives
2020-02-18过渡金属硼化物和硅化物对镁基储氢合金电化学性能的改进研究,焦丽芳,袁华堂,通过机械合金化法和化学法制备过渡金属硼化物和硅化物被引入到镁基储氢合金中来提高其电化学性能。机械合金化法制备的FeB的添加,
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Double Q-switched 946 nm laser with MgO:LN electro-optic crystal and MoSe2 saturable absorber
2021-02-04We report a double Q-switched 946 nm laser with a magnesium-oxide-doped LiNbO3 (MgO:LN) electro-opti
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Magnesium energy cycle system for the power product
2021-02-10The energy storage of solar radiation with magnesium as an energy reservoir is proposed for renewabl
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Curing behavior, phase compositions and microstructure of magnesium potassium phosphate chemically bonded ceramics with different solid-to-solid ratios
2020-01-30固固比对磷酸镁钾化学结合陶瓷的固化行为及相组成和微观结构的影响,王爱娟,袁志龙,磷酸镁钾化学结合陶瓷已经应用到生物医学领域。在本研究中,了解了不同固固比(即氧化镁:磷酸二氢钾)所形成的化学结合陶瓷的固
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In-situ Fabrication and Properties of Mg2Si/AZ91D Magnesium Matrix Composites
2020-02-07原位Mg2Si/AZ91D镁基复合材料的制备及其性能研究,王肖英,赵玉涛,以AZ91D-Al2(SiO3)3为反应体系,采用熔体直接反应法,成功制备了Mg2Si颗粒增强镁基复合材料。研究了不同反应物添
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GaAs tunnel junction grown using tellurium and magnesium as dopants by solid-state molecular beam epitaxy
2021-02-10GaAs tunnel junction grown using tellurium and magnesium as dopants by solid-state molecular beam ep
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Study on corrosion behavior of as-extruded AZ80 magnesium alloy sheet in wet H2S atmosphere
2020-02-24挤压AZ80镁合金板材在湿硫化氢气氛中的腐蚀行为研究,周明扬,任凌宝,采用宏观观察、光学显微镜观察、扫描电子显微镜观察、激光共聚焦显微镜观察、X射线衍射分析以及室温拉伸等方法研究了挤压AZ80镁合�
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Surface treatment process of self-assembledmonolayers of stearic acid on pure magnesium and its effect on the corrosionbehavior
2020-02-21纯镁的硬脂酸自组装膜表面改性工艺及其对腐蚀行为影响的研究,乔丽英,王勇,为了改善镁基金属在生理环境中的腐蚀行为和生物活性,本文在纯镁表面通过浸涂方式制备了硬脂酸(SA)自组装膜(SAMs)。与传统的将
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External cavity diode laser as a stable-frequency light source for application in laser cooling of molecules
2021-02-07We demonstrate a scheme to use a Littman configuration external cavity diode laser (ECDL) as a stabl
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Structural characterization of calcium glycinate, magnesium glycinate and zinc glycinate
2021-02-22Metal glycinate chelates are formed by glycine and metal compounds through chemical reactions. Calci
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Hot deformation behavior and microstructure evolution of ZK21 magnesium alloy
2020-02-15ZK21镁合金热变形行为及组织演变规律研究,吴远志,严红革,研究了ZK21镁合金在250-400℃温度、0.1-50/s应变速率范围内的热变形行为及组织演变规律。研究表明晶界处的动态再结晶程度和孪生变
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Laser multi-layer cladding on ZM6 magnesium base alloy
2021-02-26A pulsed Nd:YAG laser is used in multi-layer cladding on ZM6 Mg base alloys. The microstructure is s
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Mechanical Engineers’ Handbook 1
2018-08-05The first volume of the fourth edition of the Mechanical Engineers’ Handbook is comprised of two maj
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Preparation of magnesium doped apatite bone cement with degradability and cytocompatibility
2020-01-08可降解和细胞相容性掺镁磷灰石的制备,鲁敬雄,魏杰,为了满足骨组织工程的需要,本研究通过混合氧化镁和磷酸二氢钙粉末,制备了快速固化的掺镁磷灰石水泥。并对其组分比对凝结时间和
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Corner Forming of AZ61A Magnesium Alloy Tube within Warm Hydroforming
2020-02-27AZ61A镁合金管材热成形时的圆角充填,刘钢,Lan Hu,通过内高压成形的方截面管件是汽车上常见的一类零件。对于具有变截面的复杂零件,圆角的成形非常关键。本文通过AZ61A镁合金管材零�
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The microstructure, mechanical and friction properties of protective diamond like carbon films on magnesium alloy
2020-02-08镁合金表面类金刚石薄膜的结构与力学和摩擦性能研究,邹友生,吴远方,在镁合金表面制备一层硬质涂层可克服其腐蚀和磨损缺点。本文采用电弧离子镀技术,调节不同脉冲偏压在AZ91镁合金表面沉积了类金刚�
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镁合金表面激光熔覆Ni-Zr-Al合金涂层成分设计与组织性能
2021-02-10基于团簇线判据优化设计Ni-Zr-Al合金成分的基础上, 采用激光熔覆技术在AZ91 HP镁合金表面制备了Ni60.2Zr33.8Al6合金涂层。结果表明, 由于所设计的镍基合金具有低的熔点和良好的润
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Plasma light emission monitoring and penetration status recognition in CO2 laser welding of AZ31B wrought magnesium alloy
2020-01-26CO2激光焊接AZ31B变形镁合金中的等离子体光信号检测及熔透状态识别,谭稳达,单际国,本文对AZ31B变形镁合金进行了CO2激光焊接实验。获得了“未熔透”“熔池熔透”“小孔熔透”“过熔透”四种熔透状
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