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About Homogeneity of CVD Diamond Nuclear Particles Detectors

Published online by Cambridge University Press:  10 February 2011

C. Manfredotti ,
F. Fizzotti ,
P. Polesello ,
E. Vittone ,
M. Jaksic ,
I. Bogdanovic  and
S. Fazinic
C. Manfredotti
Affiliation:
Experimental Physics Department, University of Torino and INFN, sezione di Torino, via Giuria 1, 10125 Torino, Italy
F. Fizzotti
Affiliation:
Experimental Physics Department, University of Torino and INFN, sezione di Torino, via Giuria 1, 10125 Torino, Italy
P. Polesello
Affiliation:
Experimental Physics Department, University of Torino and INFN, sezione di Torino, via Giuria 1, 10125 Torino, Italy
E. Vittone
Affiliation:
Experimental Physics Department, University of Torino and INFN, sezione di Torino, via Giuria 1, 10125 Torino, Italy
M. Jaksic
Affiliation:
R. Boskovic Institute, Zagreb, Croatia
I. Bogdanovic
Affiliation:
R. Boskovic Institute, Zagreb, Croatia
S. Fazinic
Affiliation:
R. Boskovic Institute, Zagreb, Croatia
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Abstract

CVD diamond films show both at optical microscope and at SEM a quasi-columnar structure, not homogeneously distributed in the bulk which is agreed to be responsible for the relatively large charge collection lengths measured in the material. In this work, we present the first data on charge collection efficiency distributions as measured directly in the bulk by a 3 Meν proton microbeam. The results indicate that the material is really non-homogeneous, that only few columns are really connecting both electrodes and that, finally, a real connection exists between the morphological structure and the maps of collection efficiency distribution.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 416: Symposium DD – Diamond for Electronic Applications , 1995 , 193
Copyright
Copyright © Materials Research Society 1996

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References

REFERENCES

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