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Low Gain Avalanche Detectors (LGAD) represent a remarkable advance in high energy particle detection, since they provide a moderate increase (gain ~10) of the collected charge, thus leading to a notable improvement of the signal-to-noise…

Instrumentation and Detectors · Physics 2016-05-04 Pablo Fernandez-Martinez , David Flores , Salvador Hidalgo , Virginia Greco , Angel Merlos , Giulio Pellegrini , David Quirion

The development of Low-Gain Avalanche Detectors has opened up the possibility of manufacturing silicon detectors with signal larger than that of traditional sensors. In this paper we explore the timing performance of Low-Gain Avalanche…

We report radiation hardness tests performed at the Frascati Neutron Generator on silicon Photo-Multipliers, semiconductor photon detectors built from a square matrix of avalanche photo-diodes on a silicon substrate. Several samples from…

Instrumentation and Detectors · Physics 2010-08-31 M. Angelone , M. Pillon , R. Faccini , D. Pinci , W. Baldini , R. Calabrese , G. Cibinetto , A. Cotta Ramusino , R. Malaguti , M. Pozzati

In this paper results of Edge-TCT and I-V measurements with passive test structures made in LFoundry 150 nm HV-CMOS process on p-type substrates with different initial resistivities ranging from 0.5 to 3 k$\Omega$cm are presented. Samples…

Two-dimensional (2d) nano-electronics, plasmonics, and emergent phases require clean and local charge control, calling for layered, crystalline acceptors or donors. Our Raman, photovoltage, and electrical conductance measurements combined…

The quadrant silicon detector, a kind of passivated implanted planar silicon detector with quadrant structure on the junction side, gained its wide application in charged particle detection. In this paper, the manufacturing procedure,…

Instrumentation and Detectors · Physics 2015-06-18 Pengfei Bao , Chengjian Lin , Feng Yang , Zhaoqiao Guo , Tianshu Guo , Lei Yang , Lijie Sun , Huiming Jia , Xinxing Xu , Nanru Ma , Huanqiao Zhang , Zuhua Liu

Fast procedures for the beam quality assessment and for the monitoring of beam energy modulations during the irradiation are among the most urgent improvements in particle therapy. Indeed, the online measurement of the particle beam energy…

The low gain avalanche detectors (LGADs) are thin sensors with fast charge collection which in combination with internal gain deliver an outstanding time resolution of about 30 ps. High collision rates and consequent large particle rates…

We explore the sensitivity of a neutrino detector employing strongly directional high gain radio antennae to detect the conversion of neutrinos above $10^{16}$ eV in a mountain or the earth crust. The directionality of the antennae will…

Astrophysics · Physics 2007-08-29 O. Brusova , L. Anchordoqui , T. Huege , K. Martens

Two design innovations, low-gain avalanche (Low-Gain Avalance Diode, LGAD) and resistive read-out (Resistive Silicon Detector, RSD), have brought strong performance improvements to silicon sensors. Large signals, due to the added gain…

Silicon carbide detectors exhibit good detection performance and are being considered for detection applications. However, the presence of surface electrode of detector limits the application of low-penetration particle detectors,…

Instrumentation and Detectors · Physics 2025-05-29 Zhenyu Jiang , Xuemei Lu , Congcong Wang , Yingjie Huang , Xiaoshen Kang , Suyu Xiao , Xiyuan Zhang , Xin Shi

Increasing the efficiency and reducing the footprint of on-chip photodetectors enables dense optical interconnects for emerging computational and sensing applications. Avalanche photodetectors (APD) are currently the dominating on-chip…

Instrumentation and Detectors · Physics 2023-11-08 Lining Liu , Simone Bianconi , Skylar Wheaton , Nathaniel Coirier , Farah Fahim , Hooman Mohseni

Bare reverse biased silicon photodiodes were exposed to 3eV He+, Ne+, Ar+, N2+, N+ and H2O+ ions. In all cases an increase of the reverse current through the diode was observed. This effect and its dependence on the ionization energy of the…

Materials Science · Physics 2017-04-05 S. Shchemelinin , A. Breskin

A method for the calibration of a Silicon Position Sensitive Detector is described. From the combination of the signals collected at the ends of the resistive electrode, energy and angle of the hitting particle are reconstructed with a…

Nuclear Experiment · Physics 2007-05-23 V. Ostashko , A. Tumino , S. Romano

We studied the acceptance dependence of proton cumulants (up to fourth order) and correlation functions in 0--5\% most central Au+Au collisions at $\sqrt{s_\text{NN}}$=7.7, 11.5, 19.6, 27, 39, 62.4 and 200 GeV from UrQMD model. We found…

Nuclear Experiment · Physics 2017-11-21 Shu He , Xiaofeng Luo

Excitons in atomically-thin semiconductors interact very strongly with electromagnetic radiation and are necessarily close to a surface. Here, we exploit the deep-subwavelength confinement of surface plasmon polaritons (SPPs) at the edge of…

Upgraded metallurgical grade (UMG) silicon (Si) has raised interest as an alternative material for solar cells due to its low cost, low environmental impact and low CAPEX. Maximum cell efficiencies at the level of those obtained from high…

Silicon carbide (SiC) is a promising material for radiation monitoring in harsh environments, due to its low dark current, high breakdown voltage, high thermal conductivity, and radiation hardness.~This work investigates a SiC-based…

Instrumentation and Detectors · Physics 2025-07-17 Sen Zhao , Jiaqi Zhou , Chenxi Fu , Congcong Wang , Suyu Xiao , Xinbo Zou , Haolan Qv , Jiaxiang Chen , Xiyuan Zhang , Xin Shi

When XPS analyses are performed on insulator surfaces, shift and deformation of spectra peaks typically take place due to the surface charging. To achieve reliable XPS measurements, neutralization techniques have been widely adopted but…

Instrumentation and Detectors · Physics 2024-09-26 Lei Zhu , Yunguo Yang , Jianhua Cai , Xuefeng Xu , Liran Ma , Jianbin Luo

Low Gain Avalanche Diodes (LGADs) are thin (20-50 $\mu m$)silicon di ode sensors with modest internal gain (typically 5 to 50) and exceptional time resolution (17 $ps$ to 50 $ps$). However, the granularity of such devices is limited to the…

Instrumentation and Detectors · Physics 2021-01-05 S. Ayyoub , C. Gee , R. Islam , S. M. Mazza , B. Schumm , A. Seiden , Y. Zhao