Structural Effects of Fast Neutrons in Germanium

X-ray diffraction studies and volumetric measurements in nearly perfect crystals of germanium are reported for samples exposed to successive fast-neutron fluences above 1020 neutrons/cm2 at approximately 85°C. Volume expansions greater than 7×10−3 were found and complementary lattice parameter resul...

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Veröffentlicht in:	J. Appl. Phys., 40: 2909-10(June 1969) 40: 2909-10(June 1969), 1969-01, Vol.40 (7), p.2909-2910
1. Verfasser:	Wittels, M. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	CRYSTALS DEFECTS FAST NEUTRONS GERMANIUM GERMANIUM/radiation effects on crystal structure and volume of, fast-neutron IRRADIATION LATTICES N33110 -Physics (Solid State)-Radiation Effects NEUTRON FLUX NEUTRONS, FAST/effects on crystal structure and volume of germanium RADIATION EFFECTS VOLUME
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Beschreibung
Zusammenfassung:	X-ray diffraction studies and volumetric measurements in nearly perfect crystals of germanium are reported for samples exposed to successive fast-neutron fluences above 1020 neutrons/cm2 at approximately 85°C. Volume expansions greater than 7×10−3 were found and complementary lattice parameter results indicate the formation of defect regions having an average density which is considerably lower than that of the ordered structure. Anomalous fast-neutron dose rate effects were observed by varying this parameter from 2.8×1013 neutrons/cm2/sec to 3.5×1014 neutrons/cm2/sec.
ISSN:	0021-8979 1089-7550
DOI:	10.1063/1.1658099