Academic literature on the topic 'CuGaS2'

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Journal articles on the topic "CuGaS2"

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Son, Namgyu, Jun Heo, Young-Sang Youn, Youngsoo Kim, Jeong Do, and Misook Kang. "Enhancement of Hydrogen Productions by Accelerating Electron-Transfers of Sulfur Defects in the CuS@CuGaS2 Heterojunction Photocatalysts." Catalysts 9, no. 1 (2019): 41. http://dx.doi.org/10.3390/catal9010041.

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CuS and CuGaS2 heterojunction catalysts were used to improve hydrogen production performance by photo splitting of methanol aqueous solution in the visible region in this study. CuGaS2, which is a chalcogenide structure, can form structural defects to promote separation of electrons and holes and improve visible light absorbing ability. The optimum catalytic activity of CuGaS2 was investigated by varying the heterojunction ratio of CuGaS2 with CuS. Physicochemical properties of CuS, CuGaS2 and CuS@CuGaS2 nanoparticles were confirmed by X-ray diffraction, ultraviolet visible spectroscopy, high-
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Miyake, Hideto, Moriki Hata, and Koichi Sugiyama. "Solution growth of CuGaS2 and CuGaSe2 using CuI solvent." Journal of Crystal Growth 130, no. 3-4 (1993): 383–88. http://dx.doi.org/10.1016/0022-0248(93)90523-y.

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Guan, Yunxiao, Yixuan Shen, Jiang Wu, and Weizhi Wang. "Defect engineering in CuGaS2 for highly efficient photocatalytic CO2 reduction." Journal of Physics: Conference Series 3043, no. 1 (2025): 012026. https://doi.org/10.1088/1742-6596/3043/1/012026.

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Abstract Catalysts have remained a critical limiting factor in the photocatalytic reduction and resource utilization of CO2. Herein, we developed a defect engineering strategy to create abundant sulfur vacancies in conventional narrow-bandgap CuGaS2 material, obtaining a novel V-CuGaS2 photocatalyst. The optimized catalyst demonstrated a CO production rate of 9.52 μmol g-1 h-1, representing an 18.06-fold enhancement over pristine CuGaS2. The superior catalytic activity originates from the localized electric field induced by sulfur vacancies, which significantly improves carrier separation/tran
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Ullah, Shafi, Miguel Mollar, and Bernabé Marí. "Electrodeposition of CuGaSe2 and CuGaS2 thin films for photovoltaic applications." Journal of Solid State Electrochemistry 20, no. 8 (2016): 2251–57. http://dx.doi.org/10.1007/s10008-016-3237-0.

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Qin, Ming Sheng, Fu Qiang Huang, and Ping Chen. "Wide Spectrum Absorption of CuGaS2 with Intermediate Bands." Applied Mechanics and Materials 148-149 (December 2011): 1558–61. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.1558.

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The intermediate bands materials CuGa1-xQxS2 (Q = Ge, Sn) were investigated, and the narrow half-filled intermediate bands were successfully introduced into the chalcopyrite CuGaS2 when Ga3+ ion were partially replaced by Ge4+(Sn4+) impurities. The absorption edge of CuGa1-xQxS2 red shifts greatly with the increasing in the doping content due to the form of Ge-4s (Sn-5s) and S-3p hybridization orbits intermediate band, even small Q-doping content(2mol %), considerable red shifts are still achieved. CuGa1-xQxS2 (Q = Ge, Sn) with IBs extend the range of solar spectrum and could be the excellent c
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Massé, George. "Luminescence of CuGaS2." Journal of Applied Physics 58, no. 2 (1985): 930–35. http://dx.doi.org/10.1063/1.336168.

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Berestok, Taisiia, Pablo Guardia, Sònia Estradé, et al. "CuGaS2 and CuGaS2–ZnS Porous Layers from Solution-Processed Nanocrystals." Nanomaterials 8, no. 4 (2018): 220. http://dx.doi.org/10.3390/nano8040220.

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Grechenkov, Jurij, Aleksejs Gopejenko, Dmitry Bocharov, et al. "Ab Initio Modeling of CuGa1−xInxS2, CuGaS2(1−x)Se2x and Ag1−xCuxGaS2 Chalcopyrite Solid Solutions for Photovoltaic Applications." Energies 16, no. 12 (2023): 4823. http://dx.doi.org/10.3390/en16124823.

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Chalcopyrites are ternary semiconductor compounds with successful applications in photovoltaics. Certain chalcopyrites are well researched, yet others remain understudied despite showing promise. In this study, we use ab initio methods to study CuGaS2, AgGaS2, and CuGaSe2 chalcopyrites with a focus on their less studied solid solutions. We use density functional theory (DFT) to study the effects that atomic configurations have on the properties of a solid solution and we calculate the optical absorption spectra using a many-body perturbation theory. Our theoretical simulations predict that exc
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Syrbu, N. N., L. L. Nemerenco, V. N. Bejan, and V. E. Tezlevan. "Bound exciton in CuGaS2." Optics Communications 280, no. 2 (2007): 387–92. http://dx.doi.org/10.1016/j.optcom.2007.08.028.

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Shirakata, Sho, Kazuo Murakami, and Shigehiro Isomura. "Electroreflectance Studies in CuGaS2." Japanese Journal of Applied Physics 28, Part 1, No. 9 (1989): 1728–29. http://dx.doi.org/10.1143/jjap.28.1728.

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Dissertations / Theses on the topic "CuGaS2"

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Branch, Matthew Stewart. "Epitaxial growth and characterisation of CuGaS2." Thesis, Nelson Mandela Metropolitan University, 2006. http://hdl.handle.net/10948/438.

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In this work, the growth and characterisation of the chalcopyrite semiconductor CuGaS2 is presented. The purpose of this study is to gain a better understanding of the defect chemistry of this class of materials through a systematic study relating the structural and optical properties to the composition of thin films grown by metalorganic vapour phase epitaxy. Details associated with the optimisation of the growth process are presented in a format relating the changes in the composition and morphology to variations in the growth process. The structural properties of thin films grown on GaAs(00
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Movaghgharnezhad, Shirin. "Electrodeposition of CuGaS2 from Aqueous and Non-aqueous Electrolyte Mixtures." OpenSIUC, 2017. https://opensiuc.lib.siu.edu/theses/2251.

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Shirin Movaghgharnezhad for the master of science degree in mechanical engineering, presented on November 6, 2017, at Southern Illinois University Carbondale. TITLE: Electrodeposition of CuGaS2 from Aqueous and Non-Aqueous Electrolyte Mixtures MAJOR PROFESSOR: Dr. Ian I. Suni Electrodeposition of CuGaS2 from aqueous and non-aqueous electrolyte mixtures is reported in this work. Acetonitrile complexation is used to shift the reduction potential of Cu (II) in the cathodic direction. With the presence of 50% acetonitrile, the difference between the peak reduction currents of Cu (II) and Ga (III)
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Capet, Frédéric. "Évolution sous pression hydrostatique des propriétés structurales, optiques et électroniques du semi-conducteur ternaire : cugas2." Lille 1, 1995. http://www.theses.fr/1995LIL10148.

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Le travail présente consiste en l'étude d'un semi-conducteur ternaire: CuGaS2. La famille de la chalcopyrite dont fait partie ce compose suscite, à l'heure actuelle, un intérêt grandissant compte tenu des applications possibles dans le domaine de l'optique non linéaire, des détecteurs photovoltaïques et des cellules solaires. En dépit d'une grande similitude structurale entre CuGaS2 et son analogue binaire (ZnS), la largeur de la bande interdite du compose ternaire est notablement plus faible. A partir de mesures de l'absorption optique, nous montrons l'évolution, sous pression hydrostatique,
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Meeder, Alexander. "Defektspektroskopie an CuGaSe2 aus der halogenunterstützten Gasphasenabscheidung." [S.l.] : [s.n.], 2004. http://www.diss.fu-berlin.de/2004/15/index.html.

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Gerhard, Andreas. "Elektrische Defektspektroskopie an CuGaSe2 und verwandten Halbleiterdünnschichten." [S.l. : s.n.], 2000. http://www.diss.fu-berlin.de/2000/142/index.html.

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Fischer, Daniel. "Eigenschaften von CuGaSe2-Dünnschichten hergestellt mit chemischer Gasphasenabscheidung." [S.l. : s.n.], 2000. http://www.diss.fu-berlin.de/2001/27/index.html.

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Klenk, Markus. "CuGaSe2-Absorberschichten aus mehrstufigen Prozessen : Materialcharakterisierung und Solarzellenherstellung /." [S.l. : s.n.], 2001. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB9673658.

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Schuler, Steffen. "Transporteigenschaften und Defekte in polykristallinen CuGaSe2-Schichten und Heterostrukturen." [S.l. : s.n.], 2002. http://www.diss.fu-berlin.de/2002/294/index.html.

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Schmid, Martina [Verfasser]. "Optik der CuGaSe2-Solarzelle für hocheffiziente Tandemkonzepte / Martina Schmid." Berlin : Freie Universität Berlin, 2010. http://d-nb.info/1024006301/34.

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Romain, Nahel. "Caractérisations de couches minces de CuGaSe2 obtenues par MOVCD." Montpellier 2, 1999. http://www.theses.fr/1999MON20203.

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Des echantillons en couches minces de cu xga yse z proches de la stchiometrie de valence (x + 3y 2z) ont ete fabriques par mocvd a partir de trois composes organometalliques. Diverses compositions allant des riches en cuivre aux riches en gallium ont pu etre analysees et caracterisees. Quelque soit la composition, une forte orientation preferentielle est observee dans la direction 112. La structure cristalline et la largeur de bande interdite du cu 2se, du cugase 2, du cuga 3se 5 et du ga 2se 3 fabriques ont ete etablies. Les caracterisations electriques revelent une densite de porteurs elevee
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Books on the topic "CuGaS2"

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Juan, Poch Soler, ed. Cugat vivió. Tibidabo Actualidad, 1990.

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Cauhāna, Haramana. Haṃsā cugai kaṅkaṛa. Jñāna Bhāratī, 1992.

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San Cugat del Vallés (Spain). Ajuntament. Sant Cugat del Vallès. 2nd ed. Edited by Marrodán Paz. Ajuntament de San Cugat, 2004.

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Aspiroz, J. Muniz. Sant Cugat geothermal project. Commission of the European Communities, 1988.

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Garrod, Charles. Xavier Cugat and his orchestra. Joyce Record Club, 1995.

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Klenk, Reiner. Polykristalline CuGaSe₂-Dünnschichten für die Photovoltaik: Herstellung und Charakterisierung von Absorbern und Heteroübergängen. [s.n.], 1993.

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Riera, Josep Maria. Sant Cugat i Marràqueix: Terres d'artistes. Editorial Montflorit, 2000.

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Outlaw, Adam. Papa Joe Cugan and a bit of Americana. Outlaw Design and Development, 1990.

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Joan, Troyano Cussó, Sant Cugat del Vallés (Spain) Ajuntament, and Museu de Sant Cugat, eds. Sant Cugat del Vallès: Recull gràfic, 1880-1965. Efadós, 2008.

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Bofill, Rafael M. Monestir de Sant Cugat del Vallès: Guia històrica i arquitectònica. Curial Edicions Catalanes, 1994.

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Book chapters on the topic "CuGaS2"

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Rössler, U. "CuGaS2: force constants." In New Data and Updates for several Semiconductors with Chalcopyrite Structure, for several II-VI Compounds and diluted magnetic IV-VI Compounds. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-28531-8_26.

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Rössler, U. "CuGaS2: complex refractive index." In New Data and Updates for several Semiconductors with Chalcopyrite Structure, for several II-VI Compounds and diluted magnetic IV-VI Compounds. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-28531-8_27.

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Karwasara, Hansraj, Karina Khan, Aditi Gaur, Amit Soni, K. C. Bhamu, and Jagrati Sahariya. "Optoelectronic Analysis of CuGaS2-Based Flexible Thin Film Solar Cell: First Principle Investigation." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0588-9_53.

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Khan, Karina, Aditi Gaur, Amit Soni, U. Ahuja, and J. Sahariya. "Revealing Structural and Optoelectronic Properties for Bi-Doped CuGaS2 Chalcopyrite: A Density Functional Investigation." In Emerging Technologies for Smart Cities. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1550-4_18.

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Rössler, U. "CuGaSe2: total energy." In New Data and Updates for several Semiconductors with Chalcopyrite Structure, for several II-VI Compounds and diluted magnetic IV-VI Compounds. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-28531-8_28.

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Rössler, U. "CuGaSe2: force constants." In New Data and Updates for several Semiconductors with Chalcopyrite Structure, for several II-VI Compounds and diluted magnetic IV-VI Compounds. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-28531-8_29.

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Rössler, U. "CuGaSe2: extinction coefficient." In New Data and Updates for several Semiconductors with Chalcopyrite Structure, for several II-VI Compounds and diluted magnetic IV-VI Compounds. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-28531-8_30.

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Rössler, U. "CuGaTe2: force constants." In New Data and Updates for several Semiconductors with Chalcopyrite Structure, for several II-VI Compounds and diluted magnetic IV-VI Compounds. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-28531-8_31.

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Rössler, U. "CuGaTe2: extinction coefficient." In New Data and Updates for several Semiconductors with Chalcopyrite Structure, for several II-VI Compounds and diluted magnetic IV-VI Compounds. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-28531-8_32.

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Siebentritt, Susanne. "Shallow Defects in the Wide Gap Chalcopyrite CuGaSe2." In Wide-Gap Chalcopyrites. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/3-540-31293-5_7.

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Conference papers on the topic "CuGaS2"

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Chien, W. C., J. X. Zheng, C. W. Yeh, et al. "A Novel Chalcogenide Based CuGeSe Selector Only Memory (SOM) for 3D Xpoint and 3D Vertical Memory Applications." In 2024 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits). IEEE, 2024. http://dx.doi.org/10.1109/vlsitechnologyandcir46783.2024.10631520.

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Ullah, Shafi, Amal Bouich, Miguel Mollar, Bernabe Mari, Hanif Ullah, and Rahat Ullah. "Synthesis of Ternary CuGaSe2 and CuGaS2 Electrochemical Deposition for Photovoltaic Application." In 2018 6th International Renewable and Sustainable Energy Conference (IRSEC). IEEE, 2018. http://dx.doi.org/10.1109/irsec.2018.8702949.

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Yu, Liuyang, Yong Xu, and Kegao Liu. "Study on Energy Band-gap Calculation of CuGaS2." In 2015 3rd International Conference on Machinery, Materials and Information Technology Applications. Atlantis Press, 2015. http://dx.doi.org/10.2991/icmmita-15.2015.173.

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Singh, Pravesh, Ruchita Gautam, Ajay Singh Verma, and Sarita Kumari. "Modeling and analysis of CuGaS2 thin-film solar cell." In DAE SOLID STATE PHYSICS SYMPOSIUM 2015. Author(s), 2016. http://dx.doi.org/10.1063/1.4948100.

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Prabukanth, P., G. Harichandran, R. J. Soukup, et al. "Self organized nanostructures of vapor phase grown CuGaS2 thin films." In 2009 34th IEEE Photovoltaic Specialists Conference (PVSC). IEEE, 2009. http://dx.doi.org/10.1109/pvsc.2009.5411249.

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Ahsan, Nazmul, Sivaperuman Kalainathan, Naoya Miyashita, Takuya Hoshii, and Yoshitaka Okada. "Multiband Formation in Cr doped CuGaS2 Thin Films Synthesized by Chemical Spray Pyrolysis." In 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC). IEEE, 2017. http://dx.doi.org/10.1109/pvsc.2017.8366569.

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Kumar, Pancham, Jagrati Sahariya, and Amit Soni. "A systematic approach to investigate electronic and optical property of CuGaS2 using DFT." In 2016 IEEE Uttar Pradesh Section International Conference on Electrical, Computer and Electronics Engineering (UPCON). IEEE, 2016. http://dx.doi.org/10.1109/upcon.2016.7894615.

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Matiev, A. Kh, R. T. Uspazhiev, V. M. Khamkhoev, et al. "Phasing Diagrams TlGaSe2 - CuGaSe2 and TlInS2 - CuInS2 Systems." In Proceedings of the International Symposium "Engineering and Earth Sciences: Applied and Fundamental Research" dedicated to the 85th anniversary of H.I. Ibragimov (ISEES 2019). Atlantis Press, 2019. http://dx.doi.org/10.2991/isees-19.2019.49.

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Islam, Muhammad Monirul, Hajime Shibata, Koji Matsubara, Shigeru Niki, Takeaki Sakurai, and Katsuhiro Akimoto. "Compositional dependence photoluminescence study of polycrystalline CuGaSe2 thin films." In 2015 IEEE 42nd Photovoltaic Specialists Conference (PVSC). IEEE, 2015. http://dx.doi.org/10.1109/pvsc.2015.7355791.

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Alias, Afishah, Khairul Anuar Mohamad, Katsuhiro Uesugi, and Hisashi Fukuda. "Electrical and structural characterization of Zn doped CuGaO2 films." In 2013 IEEE Regional Symposium on Micro and Nanoelectronics (RSM). IEEE, 2013. http://dx.doi.org/10.1109/rsm.2013.6706503.

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Reports on the topic "CuGaS2"

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ตริสิริสัตยวงศ์, อิทธิ, สุทธิพงศ์ วิญญูประดิษฐ์, อาภากรณ์ เกษรจันทร์, บรรเจิด พละการ та เนตรตา จัตุรงค์ธาริณี. การสร้างระบบฐานข้อมูลในการวิจัยเพื่อการสร้างแบบจำลอง เพื่อแผนยุทธศาสตร์ทางการค้าการขนส่ง : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1997. https://doi.org/10.58837/chula.res.1997.52.

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โครงการวิจัยเชิงประยุกต์นี้ประกอบด้วย 1) การพัฒนาฐานข้อมูลปริภูมิอินโดจีนและประเทศไทย 2) การทดลองพัฒนาซอฟต์แวร์ GIS ขนาดเล็ก และ3) การวิเคราะห์หาเส้นทางลำเลียงสินค้าทางการเกษตร ผลลัพธ์ที่ได้จากการวิจัยในส่วนแรกคือฐานข้อมูลปริภูมิซึ่งบรรจุข้อมูลตำแหน่งและข้อมูลอรรถาธิบายต่างๆ ส่วนผลลัพธ์ที่ได้จากส่วนที่สองคือโปรแกรม CUGIS ซึ่งสามารถสอบถามหรือดึงข้อมูลจากฐานข้อมูลปริภูมิมาแสดงผลในรูปแผนที่ดิจิตอลบนจอภาพ สำไหรับการวิจัยส่วนที่สามไม่สามารถหาเส้นทางลำเลียงสินค้า เกษตรประเภทข้าวและมันสำปะหลังได้อย่างแน่ชัดเนื่องจากข้อมูลทุติยภูมิที่มีการเก็บรวบรวมไม่ครบถ้วนสมบูรณ์ ผลลัพธ์จากงานวิจัยนี้ ถือเป็นพื้นฐา
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