Crystal growth, physical and optical properties of TlSr2Cl5 and TlSr2Br5

van Loef, Edgar; Pestovich, Kimberly S.; Inniss, Myles; Schott, Jared; Pandian, Lakshmi Soundara; Stand, Luis; Zhuravleva, Mariya; Melcher, Charles

doi:10.1016/j.jcrysgro.2024.127743

Crystal growth, physical and optical properties of TlSr₂Cl₅ and TlSr₂Br₅

Journal Article · Sun May 05 00:00:00 EDT 2024 · Journal of Crystal Growth

DOI:https://doi.org/10.1016/j.jcrysgro.2024.127743· OSTI ID:2378624

van Loef, Edgar ^[1]; ^[2]; Inniss, Myles ^[3]; Schott, Jared ^[3]; Pandian, Lakshmi Soundara ^[3]; Stand, Luis ^[2]; ^[2]; Melcher, Charles ^[2]

Radiation Monitoring Devices, Watertown, MA (United States); University of Tennessee
University of Tennessee, Knoxville, TN (United States)
Radiation Monitoring Devices, Watertown, MA (United States)

Small diameter (Ø 16 mm) TlSr₂Cl₅ and TlSr₂Br₅ crystals were grown by the Vertical Bridgman method. X-ray diffraction measurements show that both have the monoclinic crystal structure with space group P21/c. TlSr₂Cl₅ and TlSr₂Br₅ have a density of 4.14 g/cm³ and 5.03 g/cm³, respectively. The effective Z of TlSr₂Cl₅ and TlSr₂Br₅ is 63.7 and 58.6, respectively. Radioluminescence spectra of TlSr₂Cl₅ and TlSr₂Br₅ feature a broad emission band peaking at 440 and 445 nm, respectively. As a result the light yield of TlSr₂Cl₅ and TlSr₂Br₅ was estimated to be 17,000 and 45,000 ph/MeV, respectively.

View Accepted Manuscript (DOE)

Research Organization:: Nuclear Science and Security Consortium, Berkeley, CA (United States)

Sponsoring Organization:: U.S. Department of Homeland Security; USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0003996

OSTI ID:: 2378624

Alternate ID(s):: OSTI ID: 2348977

Journal Information:: Journal of Crystal Growth, Journal Name: Journal of Crystal Growth Vol. 639; ISSN 0022-0248

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Related Subjects

36 MATERIALS SCIENCE
Bridgman technique
DFT calculation
Radiography
Scintillator materials
Thallium compounds
X-Ray diffraction