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ZnO Nanoneedle Based Efficient UV-Photodetector 基于ZnO纳米针的高效紫外光电探测器
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.53846
A. Ibrahim, S. Roy, S. Kale
This article reports the fabrication and characterization of nano-structured ITO/ZnO ultraviolet photodetector. A ZnO thin film was deposited by spray pyrolysis technique followed by interdigitated ITO as electrode deposition by RF sputter. Grazing angle x-ray diffraction (GIXRD) study indicates preferential growth along c-axis (002) of thin-film leading nanoneedle formation which was further confirmed by scanning electron microscopy (SEM) imaging. X-ray photoelectron spectroscopy (XPS) analysis of Oxygen 1s (O 1s) was carried out. A peak was observed at 531.8 eV indicating the presence of oxygen vacancy, 530 eV peak relates to the ZnO phase. The bandgap was determined by the Tauc plot; which was found to be 3.22eV. The donor carrier concentration is found to be 8.85x10 18 cm -3 based on room temperature Hall measurement. A near ohmic behaviour was observed which can be interpreted by the existence of high carrier concentration in ZnO. This results in a very thin depletion width of the order of 5nm; therefore, charge transport through the junction is dominated by tunnelling of electrons through depletion width.
本文报道了纳米结构ITO/ZnO紫外探测器的制备与表征。采用喷雾热解法制备ZnO薄膜,然后采用射频溅射法制备交错状ITO电极。掠射角x射线衍射(GIXRD)研究表明,薄膜沿c轴(002)优先生长,导致纳米针形成,扫描电子显微镜(SEM)成像进一步证实了这一点。对氧1s (O 1s)进行了x射线光电子能谱(XPS)分析。在531.8 eV处有一个峰表示氧空位的存在,530 eV处有一个峰与ZnO相有关。带隙由Tauc图确定;结果为3.22eV。根据室温霍尔测量,供体载流子浓度为8.85x10 18 cm -3。观察到近欧姆行为,这可以解释为ZnO中存在高载流子浓度。这导致损耗宽度非常薄,约为5nm;因此,通过结的电荷输运主要是通过耗尽宽度的电子隧穿。
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引用次数: 0
Automation of Demonstrational Model of 1 g Kibble Balance Using LabVIEW at CSIR-NPL 利用LabVIEW在CSIR-NPL实现1g粗粒天平演示模型的自动化
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.57265
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引用次数: 0
Investigations of absorption and magnetic resonance spectroscopies, molecular docking studies and quantum chemical calculations of 3-Hydroxy-4-methoxybenzaldehyde 3-羟基-4-甲氧基苯甲醛的吸收和磁共振光谱研究、分子对接研究和量子化学计算
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.55517
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引用次数: 6
Dependence of X-ray emission from Europa on solar activity cycle 木卫二x射线辐射与太阳活动周期的关系
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.57540
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引用次数: 0
National and Global Status of the High Pressure Measurement and Calibration Facilities 高压测量与校准设备的国内外现状
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.56824
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引用次数: 1
Nanofluid Bioconvection in Porous Enclosure with Viscous Dissipation 具有粘性耗散的多孔外壳中的纳米流体生物对流
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.33062
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引用次数: 6
Radiation Effects in Ultraviolet Sensitive Pd/4H-SiC Schottky Detectors 紫外敏感Pd/4H-SiC肖特基探测器的辐射效应
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.58253
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引用次数: 0
Performance Analysis of Bi-directional Optical Network Using Hybrid Optical Amplifier in the Context of Multiplay Services 多播业务下使用混合光放大器的双向光网络性能分析
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.57400
Parashurama, Chakresh Kumara, G. Kumarb
Performance of bi-directional optical network has evaluated for 400 optical network units (ONUs) using RAMAN-EDFA hybrid optical amplifier (HOA). Further, performances have also recorded in terms of quality factor and eye height for the data rate of 5 Gbps, 10 Gbps, 15 Gbps, 20 Gbps and 25 Gbps respectively for the distance of 60 km to 75 km. Limits of the users have also set to 400 for the analysis of various aspects for multiplay services (data, voice, video and mobile service). Data rate of 5 Gbps has delivered the acceptable outcome for multiplay services (MPS). Furthermore, proposed super dense passive optical network (SD-PON) has also shown the stability among the present current research of art in terms of acceptable rating outcome.
采用RAMAN-EDFA混合光放大器(HOA)对400个光网络单元(onu)的双向光网络性能进行了评估。此外,在60公里至75公里的距离上,数据速率分别为5gbps、10gbps、15gbps、20gbps和25gbps时,质量因子和眼高方面的性能也有所记录。为了对数据、语音、视频、移动等多种业务进行分析,用户的限制也被设定为400。5 Gbps的数据速率已经为多播业务(MPS)提供了可接受的结果。此外,所提出的超密集无源光网络(SD-PON)在可接受评级结果方面也在目前的艺术研究中显示出稳定性。
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引用次数: 0
Structural, dielectric and ac electrical properties of nano-structured Mn0.6Co0.2Ni0.2Fe2O4 ternary ferrite synthesized by citrate-gel auto-combustion technique 柠檬酸盐-凝胶自燃技术合成纳米结构Mn0.6Co0.2Ni0.2Fe2O4三元铁氧体的结构、介电性能和交流电性能
Pub Date : 2022-01-17 DOI: 10.56042/ijpap.v60i1.54818
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引用次数: 1
Yttrium Enhanced Glass-Forming Ability of Zr-Based Metallic Glasses 钇增强zr基金属玻璃的玻璃化能力
Pub Date : 2021-12-16 DOI: 10.56042/ijpap.v59i12.55506
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引用次数: 0
期刊
Indian Journal of Pure & Applied Physics
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