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Faculty DataBase - FDB5

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Yongho Sungtaek Ju, Ph.D.

   
Associate Professor, Mechanical and Aerospace Engineering
Collaborator, Vestibular Neuroscience Laboratory
Member, California NanoSystems Institute

Education:
Degrees:
Ph.D., Mechanical Engineering, Stanford University, 1999
M.S., Mechanical Engineering, Stanford University, 1995 -
B.S., Mechanical Engineering, Seoul National University, Korea, summa cum laude, 1993

Academic Experience:
Fellowships:
1995 Center for Integrated Systems Fellowship, Stanford University
1989 Seoul National University Presidential Fellowship, Korea

Honors and Awards:
1998 Co-recipient of Best Student Paper Award, VLSI Multilevel Interconnection Conference
1993 Seoul National University Presidential Award, Korea
1993 School of Engineering Alumni Award, Seoul National University, Korea

Professional Societies:
MRS
ASME
APS
IEEE
AVS

Contact Information:
Email Address: just@seas.ucla.edu
Work Email Address: just@seas.ucla.edu
Home Page: http://www.seas.ucla.edu/mtsl/people.html
Work Phone Number: 310-825-0985
Additional Information:

Dr. Ju was a research staff member at IBM before joining the UCLA faculty. His research projects included thermal characterization and engineering of micro- and nanoscale devices for information processing, storage, and communication applications; development and characterization of ultrathin films for thermal, magnetic, and biological devices; and novel processing techniques and materials for nano-device fabrication. Dr. Ju is the founder of the Multiscale Thermosciences Laboratory at UCLA.

Selected Publications:

Byon, C., Nam, Y., Kim, S. J., and Ju, Y. S., Drag Reduction in Stokes Flows over Spheres with Nanostructured Superhydrophilic Surfaces, Journal of Applied Physics, 2010, 107 (6), 066102.
Cha, G., Ju, Y. S., Ahure, L. A., and Wereley, N. M., Experimental Characterization of Thermal Conductance Switching in Magnetorheological Fluids, Journal of Applied Physics, 2010, 107 (9), 09B505.
Nam, Y., Sharratt, S., Byon, C., Kim, S. J., Ju, Y. S., Fabrication and Characterization of the Capillary Performance of Superhydrophilic Cu Micropost Arrays, Journal of Microelectromechanical Systems, 2010, 19 (3), 581-8.
Hwang, G. S., Nam, Y., Fleming, E., Dussinger, P., Ju, Y. S., and Kaviany, M., Multi-artery Heat Pipe Spreader: Experiment, International Journal of Heat and Mass Transfer, 2010, 53 (13-14), 2662-9.
MAUNG K. Jason; THOMAS HAHN H.; JU Y. S., Multifunctional Integration of Thin Film Silicon Solar Cells on Carbon Fiber Reinforced Epoxy Composites, Solar Energy, 2009, 84 (3), 450-8.
Nam, Y., Warrier, G., Wu, J., and Ju, Y. S., Numerical and Experimental Study of Single Bubble Dynamics on a Hydrophobic Surface, Journal of Heat Transfer, 2009, 131 (12).
Kim, J. and Ju, Y. S., On-Chip Characterization of the Mass Diffusivity of Binary Mixtures Using Brownian Microscopy, Sensors and Actuators A. Physical, 2009, 155 (1), 39-46.
Cha, G. and Ju, Y. S., Reversible Thermal Interfaces based on Microscale Dielectric Liquid Layers, Applied Physics Letters, 2009, 94 (21).
Kim, J. and Ju, Y. S., Brownian Microscopy for Simultaneous in situ Measurements of the Viscosity and Velocity Fields in Steady Laminar Microchannel Flows, Journal of Microelectromechanical Systems, 2008, 17 (5), 1135-43.
Youngsuk Nam and Y. Sungtaek Ju , Bubble Nucleation on Hydrophobic Islands Provides Evidence to Anomalously High Contact Angles of Nanobubbles, Applied Physics Letters, 2008, 93 (10).
Ju, Y. S., Kim, J., and Hung, M.-T., Experimental Study of Heat Conduction in Aqueous Suspensions of Aluminum Oxide Nanoparticles, Journal of Heat Transfer, 2008, 130 (9).
Ju, Y. S., Impact of Interface Resistance on Pulsed Thermoelectric Cooling, Journal of Heat Transfer, 2008, 130 (1).
Hung, M.-T. and Ju, Y. S., Thermal Patterning of Amorphous Fluoropolymer Layers, Sensors & Actuators: A. Physical, 2008, 148 (1), 111-4.
Hung, M.-T. and Ju, Y. S., Process Dependence of the Thermal Conductivity of Image Reversal Photoresist Layers, Journal of Vacuum Science and Technology B, 2007, 25 (1), 224-8.
Hung, M.-T., Kim, J., and Ju, Y. S., Exploration of Thermolithography for Micro- and Nanomanufacturing, Applied Physics Letters, 2006, 88 (12).
Hung, M.-T., Choi, O., Ju, Y. S., and Hahn, H. T., Heat Conduction in Graphite Nanoplatelet-Reinforced Polymer Composites, Applied Physics Letters, 2006, 89 (2).
Ju, Y. S., Hung, M.-T., and Usui, T., Nanoscale Heat Conduction across Metal-Dielectric Interfaces, Journal of Heat Transfer, 2006, 128 (9), 919-25.
Ju, Y. S., Nanoscale Thermal Phenomena in Tunnel Junctions for Spintronics Applications, J. Electron. Packag, 2006, 128 (2).
Ju, Y. S., Impact of Nonequilibrium between Electrons and Phonons on Heat Transfer in Metallic Nanoparticles Suspended in Dielectric Media, Journal of Heat Transfer, 2005, 127 (12), 1400-3.
Y. Sungtaek Ju, Micro- and Nano-scale Thermal Phenomena in Thin-Film Magnetic Recording Heads, J. Vac. Sci. Technol, 2005, 23 (4), 1276-1283 .
Ju, Y. S., Hung, M.-T., Carey, M. J., Cyrille, M.-C., and Childress, J. R., Nanoscale Heat Conduction across Tunnel Junctions, Applied Physics Letters, 2005, 86 (20).
Y. Sungtaek Ju, Phonon Heat Transport in Silicon Nanostructures, Applied Physics Letters , 2005, 87 (15).
Ju, Y. S., Self-Heating in Thin-Film Magnetic Recording Heads due to Write Currents, IEEE Transactions on Magnetics, 2005, 41 (12), 4443-8.
J. A. Katine, Michael K. Ho, Yongho Sungtaek Ju, and C. T. Rettner, Patterning Damage in Narrow Track Spin-Valve Sensors, Appl. Phys. Lett, 2003, 83 (2).
Sungtaek Ju, Y.; Lee, W. Y.; Cyrille, M. C.; Fontana, R. E.; Gurney, B. A., Thermal Engineering of Giant Magnetoresistive Sensors: Alternative Dielectric Gap, IEEE Transactions on Magnetics, 2002, 38 (5), 2259-2261.