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相关论文: Electron-Hole Pair Generation in SiC High-Temperat…

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For 4H silicon carbide (4H-SiC), the values for the electron-hole pair creation energy $\epsilon_{\text{i}}$ published in the literature vary significantly. This work presents an experimental determination of $\epsilon_{\text{i}}$ using…

仪器与探测器 · 物理学 2024-04-02 Andreas Gsponer , Matthias Knopf , Philipp Gaggl , Jürgen Burin , Simon Waid , Thomas Bergauer

We demonstrate single electron-hole pair resolution in a single-sided, contact-free 1 cm$^2$ by 1 mm thick Si crystal operated at 48 mK, with a baseline energy resolution of 3 eV. This crystal can be operated at voltages in excess of…

In the field of high-energy particle detection, detectors operating in high-radiation environments primarily face high costs associated with power consumption and cooling systems. Therefore, the development of particle detectors capable of…

仪器与探测器 · 物理学 2025-12-11 Xingchen Li , Sen Zhao , Mengke Cai , Suyu Xiao , Congcong Wang , Weimin Song , Xin Shi , Xiyuan Zhang

It has been theoretically shown that in large-density semiconductor plasma there exist an energy level of a bound electron-hole pair (a composite boson) at the band gap. Filling this level up occurs through the condensation of electron-hole…

强关联电子 · 物理学 2009-11-11 Peter P. Vasil'ev , Igor V. Smetenin

We demonstrate that individual electron-hole pairs are resolved in a 1 cm$^2$ by 4 mm thick silicon crystal (0.93 g) operated at $\sim$35 mK. One side of the detector is patterned with two quasiparticle-trap-assisted…

Deterioration of the operation parameters of Al/SiO2/p-type Si surface barrier detector upon irradiation with alpha-particles at room temperature was investigated. As a result of 40-days irradiation with a total fluence of 8*10^9…

This White Paper seeks to extend the applications of two weakly bound semiconductor materials, Cs3Sb and Ag-O-Cs first developed decades ago for vacuum photodetectors S1, S-11 photocathodes, respectively, proven to have low electron-hole…

仪器与探测器 · 物理学 2022-03-21 David R Winn

Pairing of electrons in conventional superconductors occurs at the superconducting transition temperature Tc, creating an energy gap D in the electronic density of states (DOS). In the high-Tc superconductors, a partial gap in the DOS…

超导电性 · 物理学 2007-06-13 Kenjiro K. Gomes , Abhay N. Pasupathy , Aakash Pushp , Shimpei Ono , Yoichi Ando , Ali Yazdani

We have developed MICROMEGAS (MICRO MEsh GASeous) detectors for detecting {\alpha} particles emitted from an 241-Am standard source. The voltage applied to the ionization region of the detector is optimized for stable operation at room…

Fully-depleted thick silicon Skipper-charge-coupled devices (Skipper-CCDs) are an important technology to probe neutrino and light-dark-matter interactions due to their sub-electron read-out noise. However, the successful search for rare…

The unique electrical and material properties of 4H-silicon-carbide (4H-SiC) make it a promising candidate material for high rate particle detectors. In contrast to the ubiquitously used silicon (Si), 4H-SiC offers a higher carrier…

The master equation for the cluster-size distribution function is solved numerically to investigate the electron-hole droplet formation claimed to be discovered in the direct-gap CuCl excited by picosecond laser pulses [Nagai {\em et al.},…

凝聚态物理 · 物理学 2009-11-10 L. Jiang , M. W. Wu , M. Nagai , M. Kuwata-Gonokami

Silicon carbide (SiC) Schottky diodes 21 mum thick with small surfaces and high N-dopant concentration have been used to detect alpha particles and low energy light ions. In particular 12C and 16O beams at incident energies between 5 and 18…

核实验 · 物理学 2009-11-11 M. De Napoli , G. Raciti , E. Rapisarda , C. Sfienti

The analysis of all published results on electrons and holes impact ionization coefficients in 4H-SiC at 300K have been performed. It is shown that the most plausible approximation of dependencies $\alpha_{n,p}$ on the electric field…

其他凝聚态物理 · 物理学 2016-05-04 A. S. Kyuregyan

Full investigation of deep defect states and impurities in wide-bandgap materials by employing commercial transient capacitance spectroscopy is a challenge, demanding very high temperatures. Therefore, a high-temperature deep-level…

材料科学 · 物理学 2019-08-27 S. Majdi , M. Gabrysch , N. Suntornwipat , F. Burmeister , R. Jonsson , K. K. Kovi , A. Hallen

In some extra dimension theories with a TeV fundamental Planck scale, black holes could be produced in future collider experiments. Although cross sections can be large, measuring the model parameters is difficult due to the many…

高能物理 - 唯象学 · 物理学 2009-11-10 C. M. Harris , M. J. Palmer , M. A. Parker , P. Richardson , A. Sabetfakhri , B. R. Webber

Electron excitations at silicon and 3C-SiC surfaces caused by an intense femtosecond laser pulse can be calculated by solving the time-dependent density functional theory and the Maxwell's equation simultaneously. The energy absorption,…

应用物理 · 物理学 2019-08-16 Tomohito Otobe

The increasing concentration of greenhouse gases, notably CH4 and CO2, has fueled global temperature increases, intensifying concerns regarding the prevailing climate crisis. Effectively monitoring these gases demands a detector spanning…

Semiconductor detectors made of CdTe crystal have high gamma-ray detection efficiency and are usable at room temperature. However, the energy resolution of CdTe detectors for MeV gamma-rays is rather poor because of the significant hole…

仪器与探测器 · 物理学 2011-12-22 T. Kikawa , A. K. Ichikawa , T. Hiraki , T. Nakaya

The performance of a silicon photomultiplier has been assessed at low temperature in order to evaluate its suitability as a scintillation readout device in liquid argon particle physics detectors. The gain, measured as 2.1E6 for a constant…

仪器与探测器 · 物理学 2011-06-09 P. K. Lightfoot , G. J. Barker , K. Mavrokoridis , Y. A. Ramachers , N. J. C. Spooner
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