Дослідження можливості використання матеріалів на основі CdTeSe для детекторів іонізуючих випромінювань
Анотація
Представлено результати кількісних досліджень впливу вмісту домішок та структурних дефектів на електрофізичні та детекторні властивості CdTe0,9Se0,1 і CdTe0,95Se0,05, в тому числі з додаванням Mn, Mg, Zn. Досліджено вплив дефектів на питомий опір, концентрацію вільних носіїв заряду, рівень Фермі, час життя нерівноважних носіїв заряду та ефективність збору зарядів у детекторах випромінювань на основі CdTeSe:In при температурі 25°С. Встановлено залежності параметрів від вмісту домішок та вакансій кадмію і телуру. Розглянуто спосіб досягнення високоомного стану, характерного для матеріалу детекторної якості.
Посилання
Mycielski A., Wardak A., Kochanowska D. et al. CdTe-based crystals with Mg, Se, or Mn as materials for X and gamma ray detectors: Selected physical properties. Progress in Crystal Growth and Characterization of Materials. 2021, vol. 67, iss. 4, 100543. https://doi.org/10.1016/j.pcrysgrow.2021.100543
Jeong A., Seo J., Shin G. et al. Feasibility study of CdMnTeSe based diagnostic X-ray detector. Nuclear Engineering and Technology, 2024, vol. 56, iss. 11, рp. 4748–4754. https://doi.org/10.1016/j.net.2024.06.038
Byun J., Seo J., Park B. Growth and characterization of detector-grade CdMnTeSe. Nuclear Engineering and Technology, 2022, vol. 54, iss. 11, рp. 4215–4219. https://doi.org/10.1016/j.net.2022.06.007
Roy U. N., James, R. B. CdZnTeSe: Recent Advances for Radiation Detector Applications. In book: Abbene L., Iniewski K. (eds) High-Z Materials for X-ray Detection, Material Properties and Characterization Techniques. Cham, Springer International Publishing, 2023, pр. 155–170. https://doi.org/10.1007/978-3-031-20955-0_8
Yu P., Zhao S., Gao P. et al. Growth and characterization of large-size CdMgTe single crystals doped with different in amounts. Vacuum, 2024, vol. 220, 112860. https://doi.org/10.1016/j.vacuum.2023.112860
Wardak A., Kochanowska D. M., Kochański M. et al. Effect of doping and annealing on resistivity, mobility-lifetime product, and detector response of (Cd,Mn)Te. Journal of Alloys and Compounds, 2023, vol. 936, p. 168280. https://doi.org/10.1016/j.jallcom.2022.168280
Luan L., Gao L., Lv H. et al. Analyses of crystal growth, optical, electrical, thermal and mechanical properties of an excellent detector-grade Cd0. 9Mn0. 1Te:V crystal. Scientific Reports, 2020, vol. 10, iss. 1, p. 2749. https://doi.org/10.1038/s41598-020-59612-0
Yu P., Jiang B., Chen Y. et al. Growth and characterization of room temperature radiation detection material Cd0. 95Mg0. 05Te. Journal Crystal Growth, 2020, vol. 543, 125719. https://doi.org/10.1016/j.jcrysgro.2020.125719
Camarda G. S., Yang G., Bolotnikov A. E. et al. Characterization of detector-grade CdTe0,9Se0,1 crystals. Proceeding of the 2013 Materials Research Society Spring Meeting, USA, San Francisco, California, 2013.
Kuciauskas D., Nardone M., Bothwell A. et al. Why Increased CdSeTe Charge Carrier Lifetimes and Radiative Efficiencies did not Result in Voltage Boost for CdTe Solar Cells. Advanced Energy Materials, 2023, vol. 13, 2301784 https://doi.org/10.1002/aenm.202301784
Kim K., Kim Y., F. Jan, Fochuk P. et al. Enhanced hole mobility-lifetime product in selenium-added CdTe compounds. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2023, vol. 1053, 168363. https://doi.org/10.1016/j.nima.2023.168363
Kavanagh S. R., Walsh A., Scanlon D. O. Rapid Recombination by Cadmium Vacancies in CdTe. ACS Energy Letters, 2021, vol. 6, iss. 4, pр. 1392–1398. https://doi.org/10.1021/acsenergylett.1c00380
Orellana W., Menéndez-Proupin E., Flores M. A. Self-compensation in chlorine-doped CdTe. Sci. Rep. 2019, vol. 9, 9194. https://doi.org/10.1038/s41598-019-45625-x
Menéndez-Proupin E., Casanova-Páez M., Montero-Alejo A. et al. Symmetry and thermodynamics of tellurium vacancies in cadmium telluride. Phys. B: Condens. Matter, 2019, vol. 568, pр. 81–87. https://doi.org/10.1016/j.physb.2019.01.013
Selvaraj S. C., Gupta S., Caliste D., Pochet P. Passivation mechanism in CdTe solar cells: The hybrid role of Se. Appl. Phys. Lett. 2021, vol. 119, iss. 6, 062105.https://doi.org/10.1063/5.0058290
Gul R., Roy U. N., Egarievwe S. U. et al. Point defects: Their influence on electron trapping, resistivity, and electron mobility-lifetime product in CdTexSe1–x detectors, Journal of Applied Physics, 2016, vol. 119, iss. 2, 025702. http://dx.doi.org/10.1063/1.4939647
Drabo M. L., Egarievwe S. U., Roy U. N. et al. Study of CdZnTeSe gamma-ray detector under various bias voltages. Materials Sciences and Applications, 2020, vol. 11, iss. 8, p. 553–559. https://doi.org/10.4236/msa.2020.118036
Pipek J., Betušiak M., Belas E. et al. Charge transport and space-charge formation in Cd1−xZnxTe1−ySey radiation detectors. Physical Review Applied, 2021, vol. 15, iss. 5, 054058 https://doi.org/10.1103/PhysRevApplied.15.054058
Luan L., He Y., Zheng D. et al. Defects, electronic properties, and α particle energy spectrum response of the Cd0. 9Mn0. 1Te:V single crystal. Journal of Materials Science: Materials in Electronics, 2020, vol. 31, iss. 16, рp. 1179–4487. https://doi.org/10.1007/s10854-020-02996-6
Kondrik A. I., Kovtun G. P. Influence of impurities and structural defects on electrophysical and detector properties of CdTe and CdZnTe. Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2019, no. 5–6, рр. 43–50. (Rus) https://dx.doi.org/10.15222/TKEA2019.5-6.43
Jingxiu Y., Su-Huai W. First-principles study of the band gap tuning and doping control in CdSexTe1−x alloy for high efficiency solar cell. Chinese Physics B, 2019, vol. 28, iss. 8, 086106, https://dx. doi.org/10.1088/1674-1056/28/8/086106
Knoll G. F. Radiation Detection and Measurement. John Wiley & Sons, Inc., 2010, 829 p.
Park B., Kim Y., Seo J. et al. Bandgap engineering of Cd1–xZnxTe1–ySey (0https://doi.org/10.1016/j.nima.2022.166836
Roy U. N., Camarda G. S., Cui Y. et al. Role of selenium addition to CdZnTe matrix for room-temperature radiation detector applications. Scientific Reports, 2019, vol. 9, iss. 1, 1620. https://doi.org/10.1038/s41598-018-38188-w
Mycielski A., Burger A., Sowinska M. et al. Is the (Cd,Mn)Te crystal a prospective material for X-ray and γ-ray detectors? Phys. Stat. Sol. (c). 2005, vol. 2, iss. 5, pр. 1578–1585. https://doi.org/10.1002/pssc.200460838
Castaldini A., Cavallini A., Fraboni B. Deep levels in CdTe and CdZnTe. J. Appl. Phys. 1998, vol. 83, iss. 4, рp. 2121–2126. https://doi.org/10.1063/1.366946
Fiederle M., Ebling D., Eiche C., Hofmann D. M. et al. Comparison of CdTe, Cd0. 9Zn0. 1Te and CdTe0,9Se0,1 crystals: Application for γ- and X-ray detectors. J. Cryst. Growth. 1994, vol. 138, iss. 1–2, рp. 529–533. https://doi.org/10.1016/0022-0248(94)90863-X
Gul R., Roy U. N., Camarda G. S. et al. A comparison of point defects in Cd1-xZnxTe1-ySey crystals grown by bridgman and traveling heater methods. J. Appl. Phys. 2017, vol. 121, iss. 12, 125705. https://doi.org/10.1063/1.4979012
Kondrik O. I., Solopikhin D. A. The composition of impurities and defects in Cd1-xMgxTe:In, necessary to ensure stable detector properties. Problems of Atomic Science and Technology. 2024. №4(152), pр. 34–39. https://doi.org/10.46813/2024-152-034
Roy, U. N., Camarda, G. S., Cui, Y. et al. Impact of selenium addition to the cadmium-zinc-telluride matrix for producing high energy resolution X-and gamma-ray detectors. Sci Rep. 2021, vol. 11, 10338. https://doi.org/10.1038/s41598-021-89795-z
Авторське право (c) 2024 Олександр Кондрик
Ця робота ліцензується відповідно до Creative Commons Attribution 4.0 International License.
