Center for Magnetic Recording Research

Research Interests

Professor Lomakin's interests are in electromagnetic theory and applications ranging from efficient computational techniques for studying electromagnetic fields in the frequency and time domains, to wave phenomena occurring on metal-dielectric surfaces, periodic structures and structures incorporations subwavelength features, to spectral and asymptotic techniques in the frequency and time domains, to antenna analysis and design, and to effective properties of complex media. Lomakin's recent research has focused on wave phenomena associated with scattering of electromagnetic fields from metallic plates perforated by holes of subwavelength size. In addition, he has developed several numerical techniques allowing the fast evaluation of transient electromagnetic fields in free space and layered medium environments, which have potential applications in simulation of integrated circuits and photonic structures. In past, he studied effective properties of complex media and worked on a new class of cell-phone antennas with high efficiency and low body loss. At UCSD, Lomakin supports ongoing efforts in traditional areas such as microwaves and antenna design, analysis and design of multilayered printed circuit boards and optoelectronics. He is also extending his research to include nanophotonics -- given its critical dependence on electromagnetics -- as well as investigating metamaterials, such as left-handed materials.

Biography

Vitaliy Lomakin joined ECE in September 2005. He received his M.Sc. degree from Kharkiv National University (Ukraine) in 1996 and Ph.D. degree from Tel Aviv University (Israel) in 2003, both in Electrical Engineering. While completing his Ph.D. dissertation, he was an instructor in the Department of Electrical Engineering, Tel Aviv University, and worked part-time for Xellant, an Israeli high-tech company. In 2002-2005 he was a Postdoctoral Associate and Visiting Assistant Professor in the Center for Computational Electromagnetics at the University of Illinois at Urbana-Champaign. His research interests include analytical and numerical methods for studying electromagnetic fields in complex configurations as well as applications of these methods for the analysis and design of novel devices and systems. He teaches core undergraduate level courses in electrical engineering and electromagnetics, and assists in the development of a graduate sequence in electromagnetics and optics.

Publications

CMRR Related Publications

V. Lomakin, B. Livshitz, and H. N. Bertram, “Magnetization reversal in patterned media,” IEEE Transactions on Magnetics, Vol. 43, No. 6, (June 2007),
pp. 2154-2156. [PDF  ucsd only]

B. Livshitz, A. Inomata, H.N. Bertram, and V. Lomakin, “Precessional reversal in exchange-coupled composite magnetic elements,” Applied Physics Letters, Vol. 91,
No. 18, (October 2007), pp. 182502. [PDF  ucsd only]

2008

V. Lomakin, R. Choi, B. Livshitz, S. Li, A. Inomata, and H.N. Bertram, “Dual-layer patterned media “ledge” design for ultrahigh density magnetic recording,” Applied Physics Letters, Vol. 92, No. 2, (January 2008), pp. 022502. [PDF  ucsd only]

H.N. Bertram, M.E. Schabes, V. Lomakin, and B. Livshitz, “Nucleation fields in composite medium grains,” Journal of Applied Physics, Vol. 103, No. 7, (April 2008), pp. 07F508. [PDF  ucsd only]

B. Livshitz, R. Choi, V. Lomakin, A. Inomata, and H.N. Bertram, “Fast precessional reversal in perpendicular composite patterned media,” Journal of Applied Physics, Vol. 103, No. 7, (April 2008), pp. 07C516.  [PDF  ucsd only]

V. Lomakin, S. Li, B. Livshitz, A. Inomata, and H.N. Bertram, “Patterned media for 10 Tb/in2 utilizing dual-section “Ledge” elements,” IEEE Transactions on Magnetics, Vol. 44, No. 11, (November 2008), pp. 3454-3459.  [PDF  ucsd only]

B. Livshitz, H.N. Bertram, and V. Lomakin, “Precessional magnetization reversal in composite patterned media: Dependence on applied field parameters,” IEEE Transactions on Magnetics, Vol. 44, No. 11, (November 2008), pp. 3075-3078.
[PDF  ucsd only]

2009

S. Li, B. Livshitz, H.N. Bertram, A. Inomata, E.E. Fullerton, and V. Lomakin, “Capped bit patterned media for high density magnetic recording,” Journal of Applied Physics,
Vol. 105, No. 7, (April 2009), pp. 07C122-1-3   [PDF  ucsd only]

B. Livshitz, A. Inomata, H.N. Bertram, and V. Lomakin, “Analysis of recording in bit patterned media with parameter distributions,” Journal of Applied Physics, Vol. 105,
No. 7, (April 2009), pp. 07C111-1-3.  [PDF  ucsd only]

S. Li, B. Livshitz, H.N. Bertram, E.E. Fullerton, and V. Lomakin, “Microwave-assisted magnetization reversal and multilevel recording in composite media,” Journal of Applied Physics, Vol. 105, No. 7, (April 2009), pp. 07B909-1-3  [PDF  UCSD only]

B. Livshitz, A. Boag, H.N. Bertram, and V. Lomakin, “Nonuniform grid algorithm for fast calculation of magnetostatic interactions in micromagnetics,” Journal of Applied Physics, Vol. 105, No. 7, (April 2009), pp. 07D541-1-3. [PDF  ucsd only]

S. Li, B. Livshitz, H.N. Bertram, M. Schabes, T. Schrefl, E.E. Fullerton, and V. Lomakin, “Microwave assisted magnetization reversal in composite media,” Applied Physics Letters, Vol. 94, No. 20, (May 2009), pp. 202509-1-3.  [PDF  ucsd only]

B. Livshitz, A. Inomata, H.N. Bertram, and V. Lomakin, “Semi-analytical approach for analysis of ber in conventional and staggered bit patterned media,” IEEE Transactions on Magnetics, Vol. 45, No. 10, (October 2009), pp. 3519-3522.  [PDF  ucsd only]

2010

S. Li, B. Livshitz, and V. Lomakin, “Graphics processing unit accelerated O(N) micromagnetic solver,” IEEE Transactions on Magnetics, Vol. 46, No. 6, (June 2010), pp. 2373-2375.  [PDF ucsd only]

2011

M.V. Lubarda, S. Li, B. Livshitz, E.E. Fullerton, and V. Lomakin, “Reversal in bit patterned media with vertical and lateral exchange," IEEE Transactions on Magnetics, Vol. 47, No. 1, (January 2011), pp. 18-25 [PDF  ucsd only]

M.V. Lubarda, S. Li, B. Livshitz, E.E. Fullerton, and V. Lomakin, “Antiferromagnetically coupled capped bit patterned media for high-density magnetic recording,” Applied Physics Letters, Vol. 98, No. 1, (January 2011), pp. 012513. [ PDF ucsd only]

Q.Ding, A. Mizrahi, Y. Fainman, and V. Lomakin, "Dielectric shielded nanoscale patch laser resonators," Optics Letters, Vol. 36, No. 10, (March 2011) pp. 1812-1814 [PDF ucsd only]

L. Feng, A. Mizrahi, S. Zamek, Z. Liu, V. Lomakin, Y. Fainman, "Metamaterials for enhanced polarization conversion in plasmonic excitation," ACS Nano, vol. 5, no. 6, (April 2011), pp. 5100-5106 [PDF ucsd only]

R. Chang, S. Li, M. V. Lubarda, B. Livshitz, and V. Lomakin, "FastMag: Fast micromagnetic simulator for complex magnetic structures (invited)", Journal of Applied Physics, Vol. 109, No. 7, (April 2011), pp. 07D358 [PDF ucsd only]

M. Navarro-Cia, M. Beruette, F. Falcone, M. Sorolla, and V. Lomakin, " Negative group delay through subwavelength hole arrays," Physical Review B, vol. 84, (July 2011), pp. 075151 [PDF ucsd only]

D. Van Orden, V. Lomakin, "Fundamental Electromagnetic Properties of Twisted
Periodic Arrays," I, Vol. 59, No. 8, (August 2011), pp. 2824 - 2833 [PDF ucsd only]
 

I. Yulaev, M. V. Lubarda, S. Mangin, V. Lomakin, and Eric E. Fullerton, "Spin-transfer-torque reversal in perpendicular anisotropy spin valves with composite free layers," I, Vol. 99, No. 13, (September 2011), pp. 132502 [PDF ucsd only]

Pending

I. Yulaev, M. Lubarda, S. Mangin, V. Lomakin, and Eric E. Fullerton, "Switching current reduction in perpendicular anisotropy spin valves with composite free layers," Applied Physics Letters, accepted.

D. Van Orden and V. Lomakin, "Rapidly convergent representations for periodic Green's function of a linear array in layered media," IEEE Transactions on Antennas and Propagation, accepted

Research Group

Postdoctoral Students

Shaojing Li

Ruinan Chang

Marko Lubarda

Marco Escobar

Sidi Fu

Javier Espigares Martin

Qian Ding

Graduate Students

Student Name: Shaojing Li

Interests:

email: sli@ucsd.edu

Phone:

Fax:

Office: