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Related papers: Performance of ZnSe-based scintillators at low tem…

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In this work, thermoelectric properties of Al$_{1.2}$Fe$_2$B$_2$ compound were investigated over a temperature range from 300\,K to 773\,K. Al$_{1.2}$Fe$_2$B$_2$ compound was produced by vacuum arc melting of Al, Fe, and B followed by…

Materials Science · Physics 2022-12-05 Duraisamy Sivaprahasam , Ashutosh Kumar , Babu Jayachandran , Raghavan Gopalan

The paper presents results for zinc oxide films grown at low temperature regime by Atomic Layer Deposition (ALD). We discuss electrical properties of such films and show that low temperature deposition results in oxygen-rich ZnO layers in…

A liquid scintillator (LS) is developed for the Taishan Antineutrino Observatory (TAO), a ton-level neutrino detector to measure the reactor antineutrino spectrum with sub-percent energy resolution by adopting Silicon Photomultipliers…

Instrumentation and Detectors · Physics 2021-07-07 Zhangquan Xie , Jun Cao , Yayun Ding , Mengchao Liu , Xilei Sun , Wei Wang , Yuguang Xie

We have investigated temperature dependence of the lattice parameters and the unit cell volume of ZnF$_2$ by neutron diffraction and have discovered negative thermal expansion (NTE) at low temperature. To understand why this simple compound…

Materials Science · Physics 2012-07-03 Tapan Chatterji , Mohamed Zbiri , Thomas C. Hansen

Liquid Xenon (LXe) is expected to be an excellent target and detector medium to search for dark matter in the form of Weakly Interacting Massive Particles (WIMPs). Knowledge of LXe ionization and scintillation response to low energy nuclear…

Astrophysics · Physics 2009-11-10 E. Aprile , K. L. Giboni , P. Majewski , K. Ni , M. Yamashita , R. Hasty , A. Manzur , D. N. McKinsey

Using highly monochromatic synchrotron X-rays in the energy range from 10.5 keV to 100 keV the temperature dependence of nonproportionality and energy resolution of LaBr3 scintillators doped with 5% Ce3+ were studied at 80K, 295K, and 450K.…

Materials Science · Physics 2011-05-25 Ivan V. Khodyuk , Mikhail S. Alekhin , Johan T. M. de Haas , Pieter Dorenbos

The aging of a nanocrystalline equiatomic ZnSe alloy produced by mechanical alloying was investigated using X-ray diffraction (XRD) and differential scanning calorimetry (DSC) techniques. The measured XRD patterns showed that Se atoms…

Materials Science · Physics 2009-11-07 K. D. Machado , J. C. de Lima , T. A. Grandi , C. E. M. de Campos , A. A. M. Gasperini

Cadmium telluride (CdTe) and cadmium zinc telluride (CdZnTe) have been regarded as promising semiconductor materials for hard X-ray and Gamma-ray detection. The high atomic number of the materials (Z_{Cd} =48, Z_{Te} =52) gives a high…

Astrophysics · Physics 2009-11-06 Tadayui Takahashi , Shin Watanabe

The phase diagram of Zn has been explored up to 140 GPa and 6000 K, by combining optical observations, x-ray diffraction, and ab-initio calculations. In the pressure range covered by this study, Zn is found to retain a hexagonal…

Melting experiments require rapid data acquisition due to instabilities of the molten sample and optical drifting due to the high required laser power. In this work, the melting curve of zirconium has been determined for the first time up…

Materials Science · Physics 2019-08-14 Paraskevas Parisiades , Federico Cova , Gaston Garbarino

Quench-condensed granular Al films, with normal-state sheet resistance close to 10 k$\Omega/\Box$, display strong hysteresis and ultraslow, non-exponential relaxation in the resistance when temperature is varied below 300 mK. The hysteresis…

Strongly Correlated Electrons · Physics 2009-10-31 E. Bielejec , Wenhao Wu

Colloidal Cadmium Selenide (CdSe) nanoplatelets (NPLs) are a recently developed class of efficient luminescent nanomaterial suitable for optoelectronic device applications. A change in temperature greatly affects their electronic…

Mesoscale and Nanoscale Physics · Physics 2017-10-26 Sumanta Bose , Sushant Shendre , Zhigang Song , Vijay Kumar Sharma , Dao Hua Zhang , Cuong Dang , Weijun Fan , Hilmi Volkan Demir

To separate scintillation and Cherenkov lights in water-based liquid scintillator detectors is a desired feature for future neutrino and proton decay researches. Linear alkyl benzene (LAB) is one important ingredient of a water-based liquid…

Instrumentation and Detectors · Physics 2016-06-14 Mohan Li , Ziyi Guo , Minfang Yeh , Zhe Wang , Shaomin Chen

The R&D activity performed during the last years proved the potential of ZnSe scintillating bolometers to the search for neutrino-less double beta decay, motivating the realization of the first large-mass experiment based on this…

Scintillating crystal detector may offer some potential advantages in the low-energy, low-background experiments. A 500 kg CsI(Tl) detector to be placed near the core of Nuclear Power Station II in Taiwan is being constructed for the…

High Energy Physics - Experiment · Physics 2012-08-27 TEXONO Collaboration

Silicon photomultipliers (SiPMs) are a good alternative to photomultiplier tubes (PMTs) because their gain and quantum efficiency are comparable to PMTs. However, the largest single-chip SiPM is still less than 1~cm$^2$. In order to use…

Instrumentation and Detectors · Physics 2017-11-17 Felix Liang , Hartmut Brands , Les Hoy , Jeff Preston , Jason Smith

Fast emitting polymeric scintillators are requested in advanced applications where high-speed detectors with large signal-to-noise ratio are needed. However, their low density implies a weak stopping power of high energy radiations, thus a…

Films of Cu-K-In-Se were co-evaporated at varied K/(K+Cu) compositions and substrate temperatures (with constant (K+Cu)/In ~ 0.85). Increased Na composition on the substrate's surface and decreased growth temperature were both found to…

Materials Science · Physics 2017-03-21 Christopher P. Muzzillo , Ho Ming Tong , Timothy J. Anderson

The scintillation properties of liquid helium upon the recoil of a low energy helium atom are discussed in the context of the possible use of this medium as a detector of dark matter. It is found that the prompt scintillation yield in the…

Instrumentation and Methods for Astrophysics · Physics 2013-08-28 T. M. Ito , G. M. Seidel

A light yield of 20.4 $\pm$ 0.8 photoelectrons/keV was achieved with an undoped CsI crystal coupled directly to a photomultiplier tube at 77 Kelvin. This is by far the largest yield in the world achieved with CsI crystals. An energy…

Instrumentation and Detectors · Physics 2016-10-06 Jing Liu , Masaki Yamashita , Arun Kumar Soma
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