Chemical vapor deposition diamond based multilayered radiation detector: Physical analysis of detection properties

被引：81

作者：

Almaviva, S. ^{[1
]}

Marinelli, Marco ^{[1
]}

Milani, E. ^{[1
]}

Prestopino, G. ^{[1
]}

Tucciarone, A. ^{[1
]}

Verona, C. ^{[1
]}

Verona-Rinati, G. ^{[1
]}

Angelone, M. ^{[2
]}

Pillon, M. ^{[2
]}

Dolbnya, I. ^{[3
]}

Sawhney, K. ^{[3
]}

Tartoni, N. ^{[3
]}

机构：

[1] Univ Roma Tor Vergata, Dipartimento Ingn Meccan, I-00133 Rome, Italy

[2] Assoc EURATOM ENEA Fus, I-00044 Rome, Italy

[3] Diamond Light Source, Chilton OX11 0DE, Oxon, England

来源：

JOURNAL OF APPLIED PHYSICS | 2010年 / 107卷 / 01期

关键词：

aluminium; diamond; electrodes; elemental semiconductors; ionisation chambers; multilayers; nuclear electronics; photodetectors; plasma CVD; Schottky diodes; scintillation counters; semiconductor counters; semiconductor epitaxial layers; semiconductor-metal boundaries; ultraviolet detectors; X-ray detection; SINGLE-CRYSTAL DIAMOND; DIODES;

D O I：

10.1063/1.3275501

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Recently, solid state photovoltaic Schottky diodes, able to detect ionizing radiation, in particular, x-ray and ultraviolet radiation, have been developed at the University of Rome "Tor Vergata." We report on a physical and electrical properties analysis of the device and a detailed study of its detection capabilities as determined by its electrical properties. The design of the device is based on a metal/nominally intrinsic/p-type diamond layered structure obtained by microwave plasma chemical vapor deposition of homoepitaxial single crystal diamond followed by thermal evaporation of a metallic contact. The device can operate in an unbiased mode by using the built-in potential arising from the electrode-diamond junction. We compare the expected response of the device to photons of various energies calculated through Monte Carlo simulation with experimental data collected in a well controlled experimental setup i.e., monochromatic high flux x-ray beams from 6 to 20 keV, available at the Diamond Light Source synchrotron in Harwell (U.K.).

引用

页数：7

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