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Graphene-based Field Effect Transistors
for Radiation Detection
Objective: To develop new detection architectures for radiation detection utilizing
the unique electrical properties of the recently discovered nanomaterial graphene.
Field Effect Principle
Graphene Chips
Experimental Setup
A) Sourcemeters
B) Test box (lid removed)
C) External shutter
control
D) BNC electrical bus
E) Lock-in amplifier
A
B
D
E
C
Graphene Alpha Response
Recent Publications:
E. Cazalas, I. Childres, A. Majcher, O. Koybasi, Y.P. Chen, I. Jovanovic, “Alpha response of
graphene-based radiation detectors”, IEEE Nuclear Science Symposium Conference, Anaheim, Ca.
(2012).
E. Cazalas, I. Childres, A. Majcher, O. Koybasi, Y.P. Chen, I. Jovanovic, “Direct and indirect alpha
irradiation of graphene radiation detectors”, 3rd Annual Academic Research Initiative Grantees
Conference, Alexandria, Va. (2012).
E. Cazalas, I. Childres, A. Majcher, O. Koybasi, Y.P. Chen, I. Jovanovic, “Alpha irradiation of
graphene radiation detectors”, IEEE Symposium on Radiation Measurements and Applications,
Oakland, Ca. (2012).
M. Foxe, E. Cazalas, H. Lamm, A. Majcher, C. Piotrowski, Isaac Childres, Amol Patil, Yong P.
Chen, Igor Jovanovic, “Graphene-based neutron detectors”, 2011 IEEE Nuclear Science
Symposium Conference, Valencia, Spain (2011).
Edward Cazalas and Amanda Majcher