Cu2ZnGeSe4 single crystals: Growth, structure and temperature dependence of band gap


Bodnar I.V. Khoroshko V.V. Yashchuk V.A. Gremenok V.F. Kazi M. Khandaker M.U. Zubar T.I. Tishkevich D.I. Trukhanov A.V. Trukhanov S.V.
15 January 2024Elsevier B.V.

Journal of Crystal Growth
2024#626

This work describes the production of single crystals of the semiconducting quaternary compound Cu2ZnGeSe4 using a gas chemical method in which iodine was used as a transporter. For all the synthesized samples, their phase state, crystal structure syngony and lattice constants were refined. The unit cell of the studied compound is characterized by tetragonal symmetry. The transmission spectrum was applied to calculate the band gap, which is depicted as temperature function in 20–300 K range. It was fixed that the band gap increases by 12% with decreasing temperature.

Band gap , Crystal structure , Gas chemical method , Semiconducting quaternary alloys , Single crystal growth

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Belarussian State University of Informatics and Radioelectronics, 220013, Minsk, P. Brovka str., 6, Belarus
Laboratory of Magnetic Films Physics, SSPA “Scientific and Practical Materials Research Centre of NAS of Belarus”, 19, P. Brovki str., Minsk, 220072, Belarus
Department of Pharmaceutics, College of Pharmacy, PO BOX-2457, King Saud University, Riyadh, 11451, Saudi Arabia
Centre for Applied Physics and Radiation Technologies, School of Engineering and Technology, Sunway University, Selangor, Bandar Sunway, 47500, Malaysia
Faculty of Graduate Studies, Daffodil International University, Daffodil Smart City, Birulia, Savar, Dhaka – 1216, Bangladesh
Smart Sensors Laboratory, Department of Electronic Materials Technology, National University of Science and Technology MISiS, Moscow, 119049, Russian Federation
L.N. Gumilyov Eurasian National University, Astana, 010000, Kazakhstan

Belarussian State University of Informatics and Radioelectronics
Laboratory of Magnetic Films Physics
Department of Pharmaceutics
Centre for Applied Physics and Radiation Technologies
Faculty of Graduate Studies
Smart Sensors Laboratory
L.N. Gumilyov Eurasian National University

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