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Laser-processed three dimensional graphitic electrodes for diamond radiation detectors
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10.1063/1.4816328
/content/aip/journal/apl/103/4/10.1063/1.4816328
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/4/10.1063/1.4816328
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Laser setup schematic. (b) Optical microscope picture of three graphitic columns with various depths.

Image of FIG. 2.
FIG. 2.

Electric field simulations [ Multiphysics] in the hybrid and planar geometries. Electric field color map is plotted in logarithmic scale. (a) Hybrid geometry: an array of 5 by 5 channels (30 m diameter, 500 m depth) with 150 m pitch. The channels are connected all together with an aluminum pad on the top surface. On the back surface, an aluminum pad has been evaporated too. (b) Planar geometry: two aluminum contacts evaporated on the top and back surfaces of the pc-CVD diamond sample.

Image of FIG. 3.
FIG. 3.

Dark current measurements within both active areas. Planar detector's characteristic is plotted in filled grey triangle. Hybrid detector's I(V) curve is plotted in filled black square.

Image of FIG. 4.
FIG. 4.

CCE comparison of both devices. α-particles impinging the device from the top (a) or the back (b) sides.

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/content/aip/journal/apl/103/4/10.1063/1.4816328
2013-07-22
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Laser-processed three dimensional graphitic electrodes for diamond radiation detectors
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/4/10.1063/1.4816328
10.1063/1.4816328
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