Publications
] , "Demonstration of nonpolar m-plane InGaN/GaN laser diodes", Japanese journal of applied physics, vol. 46, no. 3L: IOP Publishing, pp. L190, 2007.
, "Defect reduction in nonpolar a-plane GaN films using in situ Si N x nanomask", Applied physics letters, vol. 89, no. 4: AIP, pp. 041903, 2006.
, "Dependence of local electronic structure in p-type GaN on crystal polarity and presence of inversion domain boundaries", Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures Processing, Measurement, and Phenomena, vol. 24, no. 1: AVS, pp. 245–249, 2006.
, "Direct heteroepitaxial growth of thick AlN layers on sapphire substrates by hydride vapor phase epitaxy", Journal of crystal growth, vol. 297, no. 2: Elsevier, pp. 321–325, 2006.
, "Defect reduction in (1 1\= 00) m-plane gallium nitride via lateral epitaxial overgrowth by hydride vapor phase epitaxy", Applied Physics Letters, vol. 86, no. 11: AIP, pp. 111917, 2005.
, "Demonstration of a semipolar (101¯3¯) In Ga N/ Ga N green light emitting diode", Applied Physics Letters, vol. 87, no. 23: AIP, pp. 231110, 2005.
, "Demonstration of nonpolar m-plane InGaN/GaN light-emitting diodes on free-standing m-plane GaN substrates", Japanese journal of applied physics, vol. 44, no. 1L: IOP Publishing, pp. L173, 2005.
, "Dislocation-and crystallographic-dependent photoelectrochemical wet etching of gallium nitride", Applied physics letters, vol. 84, no. 17: AIP, pp. 3322–3324, 2004.
, "Dopant activation and ultralow resistance ohmic contacts to Si-ion-implanted GaN using pressurized rapid thermal annealing", Applied physics letters, vol. 85, no. 22: AIP, pp. 5254–5256, 2004.
, "Defect reduction in (1120) a-plane gallium nitride via lateral epitaxial overgrowth by hydride vapor-phase epitaxy", Applied physics letters, vol. 83, no. 4: AIP, pp. 644–646, 2003.
, "Defect Structure of Mg-Doped GaN Nanowires", Microscopy and Microanalysis, vol. 9, no. S02: Cambridge University Press, pp. 344–345, 2003.
, "Detection of carbon-related bandgap states in GaN using deep level optical spectroscopy", Compound Semiconductors, 2003. International Symposium on: IEEE, pp. 4–5, 2003.
, "Dislocation-free GaN nanowires", Microscopy and Microanalysis, vol. 9, no. S02: Cambridge University Press, pp. 342–343, 2003.
, "Direct imaging of reverse-bias leakage through pure screw dislocations in GaN films grown by molecular beam epitaxy on GaN templates", Applied physics letters, vol. 81, no. 1: AIP, pp. 79–81, 2002.
, "Direct measurement of the polarization charge in AlGaN/GaN heterostructures using capacitance–voltage carrier profiling", Applied physics letters, vol. 80, no. 19: AIP, pp. 3551–3553, 2002.
, "Distinguishing negatively-charged and highly conductive dislocations in gallium nitride using scanning Kelvin probe and conductive atomic force microscopy", MRS Online Proceedings Library Archive, vol. 743: Cambridge University Press, 2002.
, "Development of cross-hatch morphology during growth of lattice mismatched layers", MRS Online Proceedings Library Archive, vol. 673: Cambridge University Press, 2001.
, "Distributed phase shifters using (Ba, Sr) TiO3 thin films on sapphire and glass substrates", Integrated Ferroelectrics, vol. 39, no. 1-4: Taylor & Francis, pp. 313–320, 2001.
, "Deep levels in n-type Schottky and p+-n homojunction GaN diodes", Materials Research Society Internet Journal of Nitride Semiconductor Research, vol. 5, no. S1: Cambridge University Press, pp. 922–928, 2000.
, "Determination of tilt in the lateral epitaxial overgrowth of GaN using X-ray diffraction", Journal of crystal growth, vol. 209, no. 4: Elsevier, pp. 581–590, 2000.
, "Dislocation reduction in GaN films through selective island growth of InGaN", Applied Physics Letters, vol. 77, no. 17: AIP, pp. 2665–2667, 2000.
, "Demonstration of electrically pumped nitride distributed feedback lasers employing dielectric gratings", Device Research Conference Digest, 1999 57th Annual: IEEE, pp. 198–199, 1999.
, "Dislocation mediated surface morphology of GaN", Journal of Applied Physics, vol. 85, no. 9: AIP, pp. 6470–6476, 1999.
, "Domain patterns in (111) oriented tetragonal ferroelectric films", physica status solidi (a), vol. 172, no. 1: WILEY-VCH Verlag Berlin, pp. 225–253, 1999.