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- 1. Phys. Rev. B 69, 115210 (2004) , “Optical and magnetic properties of Mn in bulk GaN”, A. Wolos, M. Palczewska, M. Zajac, J. Gosk, M. Kaminska, A. Twardowski, M. Bockowski, I. Grzegory, S. PorowskiWe report results of electron paramagnetic resonance, magnetization, and optical absorption studies of bulk GaN crystals doped with Mn and, for some samples, codoped with Mg acceptor. The experiments performed show that the charge state of the Mn ion in GaN depends on the Fermi level position in the... (Read more)
- 2. J. Appl. Phys. 93, 9697-9702 (2003) , “Growth and characterization of GaN:Mn epitaxial films”, T. Graf, M. Gjukic, M. Hermann, M. S. Brandt, M. Stutzmann, L. Görgens, J. B. Philipp, O. AmbacherThe oxidation states of Mn in epitaxial GaN films grown by plasma induced molecular beam epitaxy were investigated by electron spin resonance (ESR), elastic recoil detection, superconducting quantum interference device magnetization, and photothermal deflection spectroscopy measurements. Comparison... (Read more)
- 3. Phys. Rev. B 67, 165215 (2003) , “Spin resonance investigations of Mn2+ in wurtzite GaN and AlN films”, T. Graf, M. Gjukic, M. Hermann, M. S. Brandt, M. Stutzmann, O. AmbacherHigh quality Mn-doped GaN and AlN films grown by molecular beam epitaxy have been investigated with X-band electron spin resonance (ESR). The observed resonance patterns are well described by the spin Hamiltonian for isolated 55Mn2+ centers with electronic spin S... (Read more)
- 4. Solid State Commun. 101, 611-615 (1997) , “Identification of iron transition group trace impurities in GaN bulk crystals by electron paramagnetic resonance”, P. G. Baranov, I. V. Ilyin and E. N. MokhovWe report on the observation of electron paramagnetic resonance of iron, manganese and nickel trace impurities in bulk GaN crystals grown by the sublimation sandwich method. The resolved hyperfine structure due to interaction with 55Mn (I = 5/2) nuclei has been observed in GaN, allowing unambiguous... (Read more)
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Updated at 2010-07-20 16:50:39
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