Academic literature on the topic 'Specific detectivity'

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Journal articles on the topic "Specific detectivity"

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Czuba, Krzysztof, Łukasz Ciura, Iwona Sankowska, Ewa Papis-Polakowska, and Agata Jasik. "The Role of Noise in Specific Detectivity of InAs/GaSb Superlattice MWIR Bariodes." Sensors 21, no. 21 (2021): 7005. http://dx.doi.org/10.3390/s21217005.

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In this paper, the results of the electrical, noise, and optical characterization of p-i-n and p-B-i-n diodes with AlSb and 4 ML AlSb/8 ML GaSb superlattice barriers in High-Operating Temperature conditions, are presented. Experimental and theoretical noise parameters were compared. Both dark current and noise analysis showed that the p-Bp_bulk-i-n bariode had the best performance. P-i-n photodiodes had the highest experimental value of specific detectivity (D*) of 6.16 × 109 Jones at 210 K and zero bias. At about −1 V reverse bias, the bariode with AlSb/GaSb electron barrier caught up to it a
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Preece, Bradley L., and George Nehmetallah. "Standardized target-specific detectivity metric for computational imaging systems." Journal of the Optical Society of America A 34, no. 9 (2017): 1687. http://dx.doi.org/10.1364/josaa.34.001687.

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Wang, Yifei, Xiaoping Zou, Jialin Zhu, et al. "Photodetector without Electron Transport Layer Based on Hexane-1,6-Diammonium Pentaiodobismuth (HDA-BiI5) Molecular Semiconductor." Coatings 11, no. 9 (2021): 1099. http://dx.doi.org/10.3390/coatings11091099.

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With the development of the semiconductor industry, research on photoelectronic devices has been emphasized. In this paper, a molecular semiconductor material with a narrow bandgap of hexane-1,6-diammonium pentaiodobismuth (HDA-BiI5) was utilized to prepare photodetectors without electron transport layers. Using a single light source, the effects of different wavelengths and different powers on the photoresponsivity, switching ratio, specific detectivity, and external quantum efficiency of the device were investigated. It is demonstrated that this device has excellent responsivity, specific de
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Parfenov P.S., Grinevich Y.V., Sokolova A.V., et al. "Effect of Ligands on the Photoconductivity of HgTe Nanoplatelets." Optics and Spectroscopy 130, no. 11 (2022): 1487. http://dx.doi.org/10.21883/eos.2022.11.55111.3871-22.

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Near-IR semiconductor colloidal nanoplatelets (NPs) are a new and promising class of materials for the development of photodetectors because they can effectively absorb visible and infrared optical radiation. In this work, we study the photoconductivity of HgTe colloidal nanoplatelets with ligands of 1,2-ethanedithiol and tetrabutylammonium iodide. It has been shown that the choice of ligands is a key factor in achieving high operational characteristics. It has been shown that the photoconductivity sensitivity reaches 0.995 and the specific detectivity reaches 1.2·109 J Jones when 1,2-ethadith
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Shen, Ting, David Binks, Jifeng Yuan, Guozhong Cao, and Jianjun Tian. "Enhanced-performance of self-powered flexible quantum dot photodetectors by a double hole transport layer structure." Nanoscale 11, no. 19 (2019): 9626–32. http://dx.doi.org/10.1039/c9nr01096c.

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Jang, Moon-Hyung, Michael T. Kramer, Sung-Shik Yoo, and Mool C. Gupta. "Laser annealing to improve PbSe thin film photosensitivity and specific detectivity." Applied Optics 59, no. 30 (2020): 9409. http://dx.doi.org/10.1364/ao.401535.

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Li, Xiao Xia, Kai Zhou, Xin Hong, Wen Lin Feng, and Da Peng Wei. "Influence of Working Temperature on the InSb/Si Heterojunction Photodetectors Performance." Materials Science Forum 1001 (July 2020): 104–9. http://dx.doi.org/10.4028/www.scientific.net/msf.1001.104.

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Traditional silicon-based photodetectors are limited by the band gap of silicon, which results in a limited working wavelength range. In this report, due to the excellent properties of Indium Antimonide, the InSb/Si heterojunction photodetectors are fabricated. Under ambient temperature of 280K, as-prepared photodetectors show a specific detectivity of 9.31011 cm Hz1/2/W, responsivity of 54 mA/W, on/off ratio of 5104 under the laser irradiation of 635 nm. In order to explore the influence of working temperature on device performance, the photoresponse at different temperatures was tested. This
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Yu, Yuan-Fang, Ye Zhang, Fan Zhong, et al. "Highly Sensitive Mid-Infrared Photodetector Enabled by Plasmonic Hot Carriers in the First Atmospheric Window." Chinese Physics Letters 39, no. 5 (2022): 058501. http://dx.doi.org/10.1088/0256-307x/39/5/058501.

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The first atmospheric window of 3–5 μm in the mid-infrared (MIR) spectral range pertains to crucial application fields, with particular scientific and technological importance. However, conventional narrow-bandgap semiconductors operating at this band, represented by mercury cadmium telluride and indium antimonide, suffer from limited specific detectivity at room temperature and hindered optoelectronic integration. In this study, a plasmonic hot electron-empowered MIR photodetector based on Al-doped ZnO (AZO)/bi-layer graphene heterostructure is demonstrated. Free electrons oscillate coherentl
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Zhang, Kai, Tao Luo, Haoran Chen, Zheng Lou, and Guozhen Shen. "Au-nanoparticles-decorated Sb2S3 nanowire-based flexible ultraviolet/visible photodetectors." Journal of Materials Chemistry C 5, no. 13 (2017): 3330–35. http://dx.doi.org/10.1039/c7tc00696a.

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Flexible ultraviolet/visible photodetectors were fabricated with Au-nanoparticles-decorated Sb<sub>2</sub>S<sub>3</sub> nanowires, exhibiting high responsivity, specific detectivity and good stability.
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Zhuo, Ranran, Yuange Wang, Di Wu, et al. "High-performance self-powered deep ultraviolet photodetector based on MoS2/GaN p–n heterojunction." Journal of Materials Chemistry C 6, no. 2 (2018): 299–303. http://dx.doi.org/10.1039/c7tc04754a.

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Books on the topic "Specific detectivity"

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Byrne, Alex. Desire, Intention, and Emotion. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198821618.003.0007.

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So far, a transparent epistemology has been given for belief and perception. Assuming that is correct, this chapter begins by arguing that transparency must apply across the board, thus giving a “general theory” of self-knowledge. The chapter then sketches the needed extensions for desire, intention, and emotion (using the specific example of disgust). The three proposed rules for desire, intention, and disgust explain privileged and peculiar access in the usual style. Privileged access is explained because one tries to follow these rules, then (minor qualifications aside) one will arrive at a
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Book chapters on the topic "Specific detectivity"

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Weik, Martin H. "specific detectivity." In Computer Science and Communications Dictionary. Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_17853.

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Conference papers on the topic "Specific detectivity"

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Preece, Bradley L., and George Nehmetallah. "A computational imaging target specific detectivity metric." In SPIE Defense + Security, edited by Gerald C. Holst and Keith A. Krapels. SPIE, 2017. http://dx.doi.org/10.1117/12.2263585.

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Black, Robert D., Antonio Mogro-Campero, and Lawrence G. Turner. "Noise and specific detectivity measurements on high-temperature superconducting transition-edge bolometers." In Orlando '90, 16-20 April, edited by Kul B. Bhasin and Vernon O. Heinen. SPIE, 1990. http://dx.doi.org/10.1117/12.21039.

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Lee, R., and S. B. Peralta. "Thermal-wave imaging system using a thin-film pyroelectric bimorph sensor element." In OSA Annual Meeting. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/oam.1993.wr.21.

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In photothermal, or thermal-wave, imaging, a laser beam is scanned across the front surface of a sample mounted on a temperature-sensitive sensor. A rastered image of the sample’s thermoacoustic properties is then built up by detecting the associated heat pulse propagation through the sample. Sensor materials most used in such thermal-wave imaging systems are conventionally ceramics such as lead zirconate titanate and single crystals such as triglycine-sulphate and lithium tantalate. Recently, polymer films such as polyvinyl fluoride and polyvinylidene fluoride have found increasing use,1,2 du
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Bonakdar, Alireza, Robert L. Brown, and Hooman Mohseni. "Dual behavior of optical antenna integrated with sub-wavelength photodetector to achieve ultra-high specific detectivity." In SPIE Optical Engineering + Applications, edited by Paul D. LeVan, Ashok K. Sood, Priyalal Wijewarnasuriya, and Arvind I. D'Souza. SPIE, 2014. http://dx.doi.org/10.1117/12.2065001.

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Bhowmick, S., G. Huang, W. Guo, et al. "A quantum ring detector for the 1–3 terahertz range with very high responsivity and specific detectivity." In 2010 68th Annual Device Research Conference (DRC). IEEE, 2010. http://dx.doi.org/10.1109/drc.2010.5551893.

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Ng, Doris K. T., Tantan Zhang, Li-Yan Siow, et al. "Improved Specific Detectivity to 107 for CMOS-MEMS Pyroelectric Detector Based on 12%-Doped Scandium Aluminum Nitride." In 2021 IEEE 34th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2021. http://dx.doi.org/10.1109/mems51782.2021.9375145.

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Oden, Patrick I., Panos G. Datskos, Thomas G. Thundat, Eric A. Wachter, and Robert J. Warmack. "Infrared Imaging Using Microcantilevers." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-1338.

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Abstract A micromechanical detector using microcantilever for infrared (IR) radiation is demonstrated. Because of their small size and low thermal mass, these microcantilever IR detectors are promising new family of IR sensors. This novel IR sensor is based on deflection due to IR adsorption induced thermal stress on a bimaterial cantilever which can be monitored with several methods such as optical deflection or piezoresistive. When laser-deflection-monitored Si4N4 microcantilevers coated with a 40nm thick coating of gold were irradiated by a low-power diode laser, the noise equivalent power
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