Probing the Indium Nitride Lattice Locally with the Radioisotope Probe /sup 111/ In/Cd

The lattice structure of both InN grains with submicron dimensions and a MBE-grown InN film have been studied with the radioisotope probe 111 In/Cd and perturbed angular correlation spectroscopy. The quadrupole interaction frequency of the probe in this material has been measured to be of the order...

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Bibliographic Details
Main Authors: Timmers, H., Dogra, R., Shrestha, S.K., Edge, A.V.J., Byrne, A.P.
Format: Conference Proceeding
Language:English
Subjects:
Annealing
Damping
Frequency measurement
Gallium nitride
Indium
Lattices
Molecular beam epitaxial growth
Probes
Radioactive materials
Spectroscopy
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Summary:The lattice structure of both InN grains with submicron dimensions and a MBE-grown InN film have been studied with the radioisotope probe 111 In/Cd and perturbed angular correlation spectroscopy. The quadrupole interaction frequency of the probe in this material has been measured to be of the order of 28 MHz, consistent with results for AlN and GaN. Strong damping of the signal indicates that InN has a highly defective lattice with diverse defect structures, which are not cured by annealing in the accessible temperature range
DOI:10.1109/COMMAD.2004.1577481