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Lead-free halide double perovskites provide a promising solution for the long-standing issues of lead-containing halide perovskites, i.e., the toxicity of Pb and the low stability under ambient conditions and high-intensity illumination.…

Materials Science · Physics 2024-06-14 Guang Wang , Jiongzhi Zheng , Jie Xue , Yixin Xu , Qiye Zheng , Geoffroy Hautier , Haipeng Lu , Yanguang Zhou

Chalcogenides and oxy-chalcogenides, including complex chalcogenides and transition metal dichalcogenides, are emerging semiconductors with direct or indirect band gaps within the visible spectrum. These materials are being explored for…

TlSr2I5: Eu2+ is a newly discovered scintillator and show promising scintillation properties for X- and {\gamma}-rays spectroscopy applications. Two zones vertical Bridgman technique is used for the growth of this scintillator. Luminescence…

Instrumentation and Detectors · Physics 2017-09-18 H. J. Kim , Gul Rooh , Arshad Khan , H. Park , Sunghwan Kim

A high light yield calcium iodide (CaI2) scintillator is being developed for an astroparticle physics experiments. This paper reports scintillation performance of calcium iodide (CaI2) crystal. Large light emission of 2.7 times that of…

Instrumentation and Detectors · Physics 2020-03-18 Takashi Iida , Kei Kamada , Masao Yoshino , Kyoung Jin Kim , Koichi Ichimura , Akira Yoshikawa

In this investigation, we have synthesized thermally stable cubic CsSnCl$_{3}$ perovskite nanocrystals (crystal size ~300 nm) with better surface morphology by the hot-injection technique. Excellent crystalline quality of these cubic…

Materials Science · Physics 2021-11-02 Md. Shahjahan Ali , Subrata Das , Yasir Fatha Abed , M. A. Basith

In this study, we comprehensively characterized and optimized a cryogenic pure CsI (pCsI) detector. We utilized a {$\SI{2}{cm}\times\SI{2}{cm}\times\SI{2}{cm}$} cube crystal coupled with a HAMAMATSU R11065 photomultiplier tube, achieving a…

Instrumentation and Detectors · Physics 2025-03-25 Chenguang Su , Qian Liu , Linqquan Kong , Shi Chen , Kimiya Moharrami , Yangheng Zheng , Jin Li

Scintillators attract wide research interest for their distinct applications in radiation detection. Elpasolite halides are among the most promising scintillators due to their high structural symmetry and good scintillation performance.…

Materials Science · Physics 2016-03-02 Hua Wei , Mao-Hua Du , Luis Stand , Zhao Zhao , Honglin Shi , Mariya Zhuravleva , Charles L. Melcher

Perovskite-based nanoscintillators, such as CsPbBr3 nanocrystals (NCs), are emerging as promising candidates for ionizing radiation detection, thanks to their high emission efficiency, rapid response, and facile synthesis. However, their…

$Cs_2LiYCl_6:Ce^{3+}$ (CLYC) is an inorganic scintillator that has recently garnered attention for its ability to detect and discriminate between gammas and thermal neutrons. We investigate several important performance parameters of three…

Instrumentation and Detectors · Physics 2016-11-01 Katherine E. Mesick , Laura C. Stonehill , Jonathan T. Morrell , Daniel D. S. Coupland

This paper reports on the development of a technology involving $^{100}$Mo-enriched scintillating bolometers, compatible with the goals of CUPID, a proposed next-generation bolometric experiment to search for neutrinoless double-beta decay.…

In this paper the growth of a 16mm diameter Ce-doped Tl$_2$NaYCl$_6$ and its characterization as a gamma-ray detector are reported. With a 16 mm dia. x 8 mm cylindrical sample, energy resolution of 4.1% (FWHM) at 662 keV and light yield of…

Instrumentation and Detectors · Physics 2021-05-19 R. Hawrami , E. Ariesanti , A. Burger

The LUMINEU project aims at performing a demonstrator underground experiment searching for the neutrinoless double beta decay of the isotope $^{100}$Mo embedded in zinc molybdate (ZnMoO$_4$) scintillating bolometers. In this context, a zinc…

Two novel three-dimensional (3D) crystal structures of carbon (C) and germanium carbide (GeC2) were predicted using first-principles density-functional theory (DFT) calculations. These newly discovered 3D carbon allotrope and GeC2 are in…

Materials Science · Physics 2020-12-15 Ying Yang , Guang Yang , Xihong Peng

We report on the first successful growth of single crystals of the noncentrosymmetric superconductor Mo$_3$Al$_2$C obtained by means of a cubic-anvil, high-pressure and high-temperature technique. Composition, structure, and normal-state…

Superconductivity · Physics 2018-06-27 N. D. Zhigadlo , D. Logvinovich , R. S. Gonnelli , V. A. Stepanov , D. Daghero

CryoCsI, the proposed prototype, is a cryogenic undoped CsI scintillating detector, which has a much lower energy threshold potentially down to 0.5 keV$_{nr}$ compared to the doped CsI. This enhanced sensitivity of CryoCsI allows for the…

Instrumentation and Detectors · Physics 2024-05-31 Keyu Ding

Lead-free double perovskite materials (viz. Cs$_2$AgInCl$_6$) are being explored as stable and non-toxic alternatives of lead halide perovskites. In order to expand the optical response of Cs$_2$AgInCl$_6$ in visible region, we report here…

Materials Science · Physics 2021-01-18 Manish Kumar , Manjari Jain , Arunima Singh , Saswata Bhattacharya

Ten isolated compact high-velocity clouds (CHVCs) of the type cataloged by Braun & Burton (1999) have been imaged with the Arecibo telescope and were found to have a nested core/halo morphology. We argue that a combination of…

Astrophysics · Physics 2009-11-06 W. B. Burton , R. Braun , J. N. Chengalur

Lead halide perovskite nanocrystals are attractive for light emitting devices both as electroluminescent and color converting materials, since they combine intense and narrow emissions with good charge injection and transport properties.…

Europium halide perovskites have emerged as promising candidates for environmental-friendly blue-emitting materials. However, their development is hindered by relative low photoluminescence quantum yields (PLQY, e.g. ~2-5% for intrinsic…

Materials Science · Physics 2025-05-22 Chuangchang Lei , Xiang Wu , Yaohua Li , Xu Xu , Guangzheng Zuo , Qiongrong Ou , Shuyu Zhang

The discovery of new low-dimensional transition metal chalcogenides is contributing to the already prosperous family of these materials. In this study, needle-shaped single crystals of a new quasi-one-dimensional material…