Early stage oxidation of ZrC under 10 MeV Au3+ ion-irradiation at 800 °C

Emission of organic products from the surface of frozen methane under MeV ion irradiation

IO km layers of CH, freshly condensed onto a cold finger at 10~1.5 K were irradiated with IOk MeV protom and ‘Hc’ ’ ions. The gases emitted during irradiation and successive warming to ambient temperature were monitored by qundrupole mass apectrometry (QMS). C,H, and C?H, were the primary volatile products at low temperatures. They were converted with increasing irradiation time and dose into C...

Neutron-induced deuteron production from light nuclei at 800 MeV

The deuteron sepctra from {n,d) reactions at 800 MeV near 0' are characterized by a high energy quasielastic scattering peak, and at lower momentum, a quasifree scattering peak. The ratio of the quasifree to quasielastic cross sections is approximately 10:1.Both cross sections exhibit an A '" mass dependence over the range of target nuclei studied. Comparisons are made with corresponding proton...

Electrical isolation of GaN by MeV ion irradiation

Purification/annealing of graphene with 100-MeV Ag ion irradiation

UNLABELLED Studies on interaction of graphene with radiation are important because of nanolithographic processes in graphene-based electronic devices and for space applications. Since the electronic properties of graphene are highly sensitive to the defects and number of layers in graphene sample, it is desirable to develop tools to engineer these two parameters. We report swift heavy ion (SHI)...

Tunable nanometer electrode gaps by MeV ion irradiation.

We report the use of MeV ion-irradiation-induced plastic deformation of amorphous materials to fabricate electrodes with nanometer-sized gaps. Plastic deformation of the amorphous metal Pd(80)Si(20) is induced by 4.64 MeV O(2+) ion irradiation, allowing the complete closing of a sub-micrometer gap. We measure the evolving gap size in situ by monitoring the field emission current-voltage (I-V) c...