Journal of Synthetic Crystals, Volume. 54, Issue 7, 1289(2025)

Growth and High Resolution X-Ray Imaging of Inch-Size (C24H20P)2MnBr4 Single Crystalline Film

Fan YANG, Siyuan ZHANG, Wupei DONG, Xizheng WANG, Ming ZHOU, and Dianxing JU*
Figures & Tables(6)
Growth scheme of (C24H20P)2MnBr4 single crystal thin film. (a) Polycrystalline thin film with high light scattering; (b) single crystalline film with low light scattering; (c) schematic diagram for growth of metal hybrid halide single crystalline film
Single crystal and structure of (C24H20P)2MnBr4. (a) Single crystal and single crystal thin film images of (C24H20P)2MnBr4; (b) crystal structure of (C24H20P)2MnBr4; (c) XRD patterns of (C24H20P)2MnBr4 single crystal thin film; (d) differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) curves of (C24H20P)2MnBr4 crystal
PLE, PL spectra and stability of (C24H20P)2MnBr4 crystal. (a) PLE and PL spectra of C24H56N2Cu4Br6 crystal; (b) PL spectra of (C24H20P)2MnBr4 crystal at different excitation wavelengths; (c) PL emission spectra of (C24H20P)2MnBr4 crystals after 3 months of storage in ambient air
Optical properties of (C24H20P)2MnBr4 crystals. (a) Temperature-dependent PL spectra of (C24H20P)2MnBr4 crystal over the temperature range of 100~300 K; (b) corresponding PL intensity of (C24H20P)2MnBr4 variation with temperature; (c) fitting result of activation energy from the temperature-dependent PL spectra of (C24H20P)2MnBr4 crystal; (d) FWHM of PL spectra as a function of temperature; (e) temperature-dependent PL decay curves of (C24H20P)2MnBr4 crystal; (f) stability of (C24H20P)2MnBr4 crystal under the continuous UV light
Characterization of scintillation properties under X-rays. (a) Mechanism of X-ray scintillation in a metal hybrid halide;(b) comparison of RL and PL spectra of (C24H20P)2MnBr4 crystals; (c) absorption coefficients as a function of photon energy for (C24H20P)2MnBr4 crystal; (d) X-ray attenuation efficiency of (C24H20P)2MnBr4, BGO and LYSO crystals as a function of thickness; (e) RL spectra of (C24H20P)2MnBr4 crystal compared with standard BGO and LYSO scintillators under X-ray irradiation with the same dose rate (dose rate: 504 mGy·s-1, voltage: 50 kV, current: 200 μA); (f) RL spectra of (C24H20P)2MnBr4 crystal under different dose rates; (g) linear relationship between RL intensity and X-ray irradiation dose rate of (C24H20P)2MnBr4 crystal compared with that of BGO and LYSO; (h) stability of (C24H20P)2MnBr4 crystal under the X-ray
X-ray imaging characterization. (a) Diagram of home-built X-ray imaging system; (b) X-ray imaging results for the metal spring and other models; (c) X-ray imaging spatial resolution of (C24H20P)2MnBr4 single crystal film; (d) MTF curves of the (C24H20P)2MnBr4 single crystal film scintillation screen (dose rate: 504 mGy·s-1, voltage: 50 kV, current: 200 μA)
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Fan YANG, Siyuan ZHANG, Wupei DONG, Xizheng WANG, Ming ZHOU, Dianxing JU. Growth and High Resolution X-Ray Imaging of Inch-Size (C24H20P)2MnBr4 Single Crystalline Film[J]. Journal of Synthetic Crystals, 2025, 54(7): 1289

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Paper Information

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Received: Apr. 13, 2025

Accepted: --

Published Online: Aug. 28, 2025

The Author Email: Dianxing JU (jdx@qust.edu.cn)

DOI:10.16553/j.cnki.issn1000-985x.2025.0077

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