{"id":{"repo_id":"wvu","oai_identifier":"oai:researchrepository.wvu.edu:etd-2255"},"canonical_url":"https://search.dev.ndltd.org/etd/wvu/oai:researchrepository.wvu.edu:etd-2255","repository":{"repo_id":"wvu","name":"West Virginia University","base_url":"https://researchrepository.wvu.edu/do/oai/"},"display":{"title":"Photoluminescence study of cadmium zinc telluride","abstract":"In this thesis, I present a detailed study of Cd1-xZn xTe crystals with 0 ≤ x ≤ 0.14 using photoluminescence (PL) spectroscopy in the temperature range from 5 K to 300 K with the purpose of: (1) identifying various radiative transitions that are signatures of various point defects in bulk CdZnTe, (2) determining the zinc concentration in these crystals, and (3) identifying the nature of room-temperature PL. PL spectra at 5 K was used to determine the bandgap and hence the zinc concentrations. In the current state-of-the-art CZT grown for radiation detectors, it is common to observe 5-K PL spectra dominated by donor-bound exciton emission (D 0, X). Also, a deep acceptor-bound exciton (A0, X) related to a complex associated with Cd vacancies is usually detected. Thus, it was of interest to determine whether the \"new\" trend in bulk CZT growth would produce a different conclusion about the origin of the 300-K PL.","abstract_html":"In this thesis, I present a detailed study of Cd1-xZn xTe crystals with 0 ≤ x ≤ 0.14 using photoluminescence (PL) spectroscopy in the temperature range from 5 K to 300 K with the purpose of: (1) identifying various radiative transitions that are signatures of various point defects in bulk CdZnTe, (2) determining the zinc concentration in these crystals, and (3) identifying the nature of room-temperature PL. PL spectra at 5 K was used to determine the bandgap and hence the zinc concentrations. In the current state-of-the-art CZT grown for radiation detectors, it is common to observe 5-K PL spectra dominated by donor-bound exciton emission (D 0, X). Also, a deep acceptor-bound exciton (A0, X) related to a complex associated with Cd vacancies is usually detected. Thus, it was of interest to determine whether the "new" trend in bulk CZT growth would produce a different conclusion about the origin of the 300-K PL.","abstract_has_math":false,"creators":["Jain, Swati"],"institution":null,"degree_name":"MS","degree_level":"Thesis","degree_discipline":"Physics and Astronomy","degree_department":null,"school":null,"contributors":["Nancy C. Giles."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2001,"date_issued":"2001-05-01T07:00:00Z","date_published":"2001-05-01T07:00:00Z","updated_at":"2026-07-24T06:15:31Z","subjects":["Condensed matter physics","Materials science"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://researchrepository.wvu.edu/etd/1252"],"render_values":[{"text":"https://researchrepository.wvu.edu/etd/1252","href":"https://researchrepository.wvu.edu/etd/1252","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.33915/etd.1252","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Nancy C. 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PL spectra at 5 K was used to determine the bandgap and hence the zinc concentrations. In the current state-of-the-art CZT grown for radiation detectors, it is common to observe 5-K PL spectra dominated by donor-bound exciton emission (D 0, X). Also, a deep acceptor-bound exciton (A0, X) related to a complex associated with Cd vacancies is usually detected. Thus, it was of interest to determine whether the \"new\" trend in bulk CZT growth would produce a different conclusion about the origin of the 300-K PL."]},{"key":"dc:title","label":"Title","values":["Photoluminescence study of cadmium zinc telluride"]}]}],"canonical_facts":{"dc:contributor":["Nancy C. Giles."],"dc:creator":["Jain, Swati"],"dc:date.available":["2019-01-17T08:00:00Z"],"dc:description.abstract":["In this thesis, I present a detailed study of Cd1-xZn xTe crystals with 0 ≤ x ≤ 0.14 using photoluminescence (PL) spectroscopy in the temperature range from 5 K to 300 K with the purpose of: (1) identifying various radiative transitions that are signatures of various point defects in bulk CdZnTe, (2) determining the zinc concentration in these crystals, and (3) identifying the nature of room-temperature PL. PL spectra at 5 K was used to determine the bandgap and hence the zinc concentrations. In the current state-of-the-art CZT grown for radiation detectors, it is common to observe 5-K PL spectra dominated by donor-bound exciton emission (D 0, X). Also, a deep acceptor-bound exciton (A0, X) related to a complex associated with Cd vacancies is usually detected. Thus, it was of interest to determine whether the \"new\" trend in bulk CZT growth would produce a different conclusion about the origin of the 300-K PL."],"dc:identifier":["https://doi.org/10.33915/etd.1252","https://researchrepository.wvu.edu/etd/1252"],"dc:subject":["Condensed matter physics","Materials science"],"dc:title":["Photoluminescence study of cadmium zinc telluride"],"thesis:degree_discipline":["Physics and Astronomy"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["MS"]},"updated_at":"2026-07-24T06:15:31Z"}