Study of a 3D diamond detector with photon and proton micro-beams

Giulio Forcolin; V. Grilj; Bruce Hamilton; Lin Li; Malachy Mcgowan; S. A. Murphy; Alexander Oh; N. Skukan; David Whitehead; Andrij Zadoroshnyj

doi:10.1016/j.diamond.2016.02.005

Study of a 3D diamond detector with photon and proton micro-beams

Giulio Forcolin, V. Grilj, Bruce Hamilton, Lin Li, Malachy Mcgowan, S. A. Murphy, Alexander Oh, N. Skukan, David Whitehead, Andrij Zadoroshnyj

Ruder Boskovic Institute

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Abstract

To form a 3D diamond detector electrodes were produced in diamond by a femtosecond laser-induced phase transition of diamond to graphite. The process parameters were varied to study the influence on electrode resistivity and induced stress. A technique for a relative measurement of stress induced in 3D diamond detectors is described. The detector was characterised with a 15 keV photon micro-beam (Diamond Light Source, Oxford) and a 4 MeV proton micro-beam (Ruder Bošković Institute, Zagreb). The detector shows characteristics consistent with full charge collection. Spatially resolved transient current measurements were obtained with protons for the first time, and the results were compared to simulations of the detector.

Original language	English
Pages (from-to)	75-82
Number of pages	8
Journal	Diamond and Related Materials
Volume	65
Early online date	9 Feb 2016
DOIs	https://doi.org/10.1016/j.diamond.2016.02.005
Publication status	Published - 1 May 2016

Keywords

3D diamond detector
Laser graphitisation of diamond
Particle detector
Single crystal diamond

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10.1016/j.diamond.2016.02.005

StudyOfA3DDiamondDetectorAccepted author manuscript, 6.76 MB

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title = "Study of a 3D diamond detector with photon and proton micro-beams",

abstract = "To form a 3D diamond detector electrodes were produced in diamond by a femtosecond laser-induced phase transition of diamond to graphite. The process parameters were varied to study the influence on electrode resistivity and induced stress. A technique for a relative measurement of stress induced in 3D diamond detectors is described. The detector was characterised with a 15 keV photon micro-beam (Diamond Light Source, Oxford) and a 4 MeV proton micro-beam (Ruder Bo{\v s}kovi{\'c} Institute, Zagreb). The detector shows characteristics consistent with full charge collection. Spatially resolved transient current measurements were obtained with protons for the first time, and the results were compared to simulations of the detector.",

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T1 - Study of a 3D diamond detector with photon and proton micro-beams

AU - Forcolin, Giulio

AU - Grilj, V.

AU - Hamilton, Bruce

AU - Li, Lin

AU - Mcgowan, Malachy

AU - Murphy, S. A.

AU - Oh, Alexander

AU - Skukan, N.

AU - Whitehead, David

AU - Zadoroshnyj, Andrij

PY - 2016/5/1

Y1 - 2016/5/1

N2 - To form a 3D diamond detector electrodes were produced in diamond by a femtosecond laser-induced phase transition of diamond to graphite. The process parameters were varied to study the influence on electrode resistivity and induced stress. A technique for a relative measurement of stress induced in 3D diamond detectors is described. The detector was characterised with a 15 keV photon micro-beam (Diamond Light Source, Oxford) and a 4 MeV proton micro-beam (Ruder Bošković Institute, Zagreb). The detector shows characteristics consistent with full charge collection. Spatially resolved transient current measurements were obtained with protons for the first time, and the results were compared to simulations of the detector.

AB - To form a 3D diamond detector electrodes were produced in diamond by a femtosecond laser-induced phase transition of diamond to graphite. The process parameters were varied to study the influence on electrode resistivity and induced stress. A technique for a relative measurement of stress induced in 3D diamond detectors is described. The detector was characterised with a 15 keV photon micro-beam (Diamond Light Source, Oxford) and a 4 MeV proton micro-beam (Ruder Bošković Institute, Zagreb). The detector shows characteristics consistent with full charge collection. Spatially resolved transient current measurements were obtained with protons for the first time, and the results were compared to simulations of the detector.

KW - 3D diamond detector

KW - Laser graphitisation of diamond

KW - Particle detector

KW - Single crystal diamond

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DO - 10.1016/j.diamond.2016.02.005

M3 - Article

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VL - 65

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JO - Diamond and Related Materials

JF - Diamond and Related Materials

ER -

Study of a 3D diamond detector with photon and proton micro-beams

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