Dr. Yongfeng Lu email: Dr. Lu Laser-Assisted Nano Engineering Lab NCMN Homepage

 

Current Research

His current research interests focus on micro- and nanoscale laser material processing and characterization, including diamond growth through laser-assisted localized chemistry, controllable growth of carbon nanotubes for device fabrications, three-dimensional photonic bandgap structures, synthesis of carbon nanoonions, laser-induced breakdown spectroscopy, nano-Raman spectroscopy, and coherent anti-stokes Raman spectroscopy. His research is mainly supported by NSF, ONR, AFOSR, AOARD, UNL, and industry.

Recent Key Publications

Z. Q. Xie, Y. S. Zhou, X. N. He, Y. Gao, J. B. Park, H. Ling, and Y. F. Lu, "Fast Growth of Diamond Crystals in Open Air by Combustion Synthesis with Resonant Laser Energy Coupling", Crystal Growth & Design (2010).

Y. S. Zhou, W. Xiong, Y. Gao, M. Mahjouri-Samani, M. Mitchell, L. Jiang, and Y. F. Lu, "Towards Carbon-Nanotube Integrated Electronics: Optically Controlled Simultaneous Integration of Single-Walled Carbon Nanotubes",  Nanotechnology, in press (2010).

T. McKindra, S. Patil, M. J. O’Keefe, Z. Q. Xie, and Y. F. Lu, "Characterization of diamond thin films deposited by a CO2 laser-assisted combustion-flame method", Materials Characterization, 61, 661 – 667 (2010).

Z. Y. Yang, M. Zhao, P. X. Lu, and Y. F.  Lu," Ultra-broadband optical circular polarizers consisting of double-helical nanowire structures",  Opt. Lett., 35(15), 2588-2590 (2010).

X. N. He, X. K. Shen, T. Gebre, Z. Q. Xie, L. Jiang, and Y. F. Lu, "Spectroscopic Determination of Rotational Temperature in C2H4/C2H2/O2 Flames for Diamond Growth with and without Tunable CO2 LaserExcitation", App. Opt., 49(9), 1555-1562 (2010).

Z. Q. Xie, Y. S. Zhou, X. N. He, Y. Gao, J. B. Park, H. Ling,and Y. F. Lu, "Fast growth of diamond crystals in open air by combustion synthesis with resonant laser energy coupling", Crystal Growth and Design, 10,  1762-1766 (2010).

M. Han, F. W. Guo, and Y. F. Lu, "Optical-fiber refractometer based on cladding-mode Bragg grating",  Opt. Lett. , 399-401 (2010)

H. Wang, W. Q. Yang, C. B. Ma, and Y. F. Lu, "Design of two-dimensional tunable photonic crystal with multiple functionalities", Journal of Nanoscience & Nanotechnology, 10(3), 1656-1662 (2010).

Y. Gao, Y. S. Zhou, W. Xiong, M. Mahjouri-Samani, M. Mitchell, and Y. F. Lu, "Controlled growth of carbon nanotubes on electrodes under different bias polarity", Appl. Phys. Lett. 95(14), 143117 (2009).

M. Masoud-Samani, Y. S. Zhou, W. Xiong, Y. Gao, M. Mitchell, and Y. F. Lu, "Laser-assisted selective removal of metallic carbon nanotubes" Nanotechnology 20(49), 495202 (2009).

H. Ling, Z. Q. Xie, Y. Gao, T. Gebre, X. K. Shen, and Y. F. Lu, "Enhanced chemical vapor deposition of diamond by wavelength-matched vibrational excitations of ethylene molecules using tunable CO2 laser irradiation", J. Appl. Phys., 105(6), 064901, (2009).

Y. S. Zhou, K. J. Yi, M. Mahjouri-Samani, W. Xiong, Y. F. Lu, and S. H. Liou, "Image contrast enhancement in field-emission scanning electron microscopy of single-walled carbon nanotubes", Appl. Surf. Sci., 255(7), 4341-4346, (2009).

W. Xiong, Y. S. Zhou, M. Mahjouri-Samani, W. Q. Yang, K. J. Yi, X. N. He, S. H. Liou, and Y. F. Lu, "Self-aligned growth of single-walled carbon nanotubes using optical near-field effects", Nanotechnology, 20(2), 025601, (2009).

K. J. Yi, X. N. He, Y. S. Zhou, W. Xiong, and Y. F. Lu, "Tip-enhanced near-field Raman spectroscopy with ascanning tunneling microscope and side-illumination optics", Rev. Sci. Instrum., 79(7), 073706, (2008).

X. K. Shen and Y. F. Lu, "Detection of uranium in solids by using laser-induced breakdown spectroscopy combined with laser-induced fluorescence", Appl. Opt., 47(11), 1810-1815, (2008). H. Wang and Y. F. Lu, "Core-shell photonic band gap structures fabricated using laser-assisted chemical vapor deposition", J. Appl. Phys., 103(1), 013113, (2008).