FIU College of Engineering and Computing

Florida International University - Electrical and Computer Engineering
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Yuri Vlasov

Education

  • Ph.D. Physical Electronics, A.F. Ioffe Physico-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia, 1992
  • M.S. Physics, Leningrad State University, Leningrad, USSR, 1978

Area of expertise

  • MEMS, sensors and nanotechnology. More specifically, MEMS for superconducting passive microwave devices
  • Fabrication and experimental study of structure, composition, electrical properties of thin films, including HTSC-films, for MEMS, microwave and sensor applications
  • Experimental research in the fields of field electron, ion, desorption microscopy and spectroscopy, time-of-flight atom probe with the emphasis on the investigations of thermo-field phenomena on atomic level, desorption-adsorption and condensation of gases, metals, semiconductors, and HTSC on metal sub-nanometer radius tip surfaces

Courses

  • EGN-1002 Engineering orientation
  • EIN-3235 Evaluation of engineering data I
  • EEL-3003 Electrical engineering (for non EE Majors) 
  • EEL-3111 Circuits I
  • EEL-3112 Circuits II
  • EEL-3110 Circuit analysis
  • EEL-3120 Introduction to linear systems in engineering
  • EEL-3135 Signals and systems
  • EEE-3396 Introduction to solid state devices
  • EEL 4140 Filter design
  • EEL-4920 Senior design I
  • EEE-5425 Introduction to nanotechnology
  • EEL-6311 Advanced electronic systems
  • EEL-6315 Advanced solid state
  • EEL-6463 Antenna theory

Publications

  1. Larkins G., Vlasov Yu., “Nanotip sensor”, U.S. Patent 9267919, Feb. 23, 2016.
  2. Larkins G., Vlasov Yu., Holland K. “Evidence of superconductivity in doped graphite and graphene” Supercond. Sci. Technol., 2016, v. 29, no. 1, pp. 015015-24.
  3. Larkins G. and Vlasov Yu. “Indications of superconductivity in doped highly oriented pyrolytic graphite” Supercond. Sci. Technol., 2011, v. 24, no. 9, pp. 092001-4.
  4. Noel J., Bogozi A., Vlasov Yu. A. and Larkins G. L., “Cryogenic Pull-Down Voltage of Micro-Electro-Mechanical Switches” J. of Microelectromechanical Systems, 2008, v. 17, no. 2, pp. 351-355.
  5. Martinez J., Hijazi Y., Brzhezinskaya M., Bogozi A., Noel, J., Vlasov, Y.A., Larkins, G.L., “Design, simulation, and fabrication of a MEMs switched superconducting microstrip hairpin filter” Physica C: Superconductivity and its applications, 2007, v. 466 (1), pp. 101-105.
  6. J. M. Vargas, J. Noel, M. Brzhezinskaya, Yu A. Vlasov, and G. L. Larkins, “Design and Fabrication of Two Switch Superconducting Microstrip Hairpin Filters Using Series MEMS Switches” IEEE Trans. Appl. Supecond., 2007, v. 17, n. 2, pp. 898-901.
  7. Larkins G., Vlasov Yu., Hijazi Y., Brzhezinskaya M., “Microwave High TC Superconductor MEM Switch-Based Circuits – the Current State-of-the-Art – Design and Performance Considerations” J. of Superconductivity and Novel Magnetism, 2006, v. 19, no. 7-8, pp. 599-609.
  8. Brzhezinskaya M., Noel J., Martinez J., Hijazi Y., Vlasov Y.A., Larkins G.L., Jr., “Influence of parameters of fabrication on quality and performance of superconducting MEM switches” IEEE Trans. Appl. Supecond., 2005, v. 15, no. 2, pp. 1032-1035.
  9. Hijazi Y., Bogozi A., Brzhezinskaya M., Martinez J, Noel J., Burke J., Vlasov Yu.A., Larkins G., “Effect of Temperature on Impedance Behavior of Insulation Layer in a HTS MEMS Switch for RF Applications” IEEE Trans. Appl. Supecond., 2005, v. 15, no. 2, pp. 952-955.
  10. Lawrence L.G., Burke J., Brzhezinskaya M., Hijazi Y., Martinez J., Fairweather D., Vlasov Y.A., Larkins G.L., Jr., “Multi-tapped Micro-strip “T” Resonator using MEM Switch for Tuning” IEEE Trans. Appl. Supecond., 2005, v. 15, no. 2, pp. 1036-1039.
  11. Bogozi A., Datye A., Brzhezinskaya M., Hijazi Y., Martinez J., Noel J., Wu K., Vlasov Y., Larkins G., “Elastic Modulus Study of Gold Thin Film for Use as an Actuated Membrane in a Superconducting RF MEM Switch” IEEE Trans. Appl. Supecond., 2005, v. 15, no. 2, pp. 980-983.
  12. L. Lawrence, Y. Hijazi, J. Martinez, D. Fairweather, Yu. A Vlasov, and G. L. Larkins Jr., “The design, fabrication and measurement of tapped microstrip "T"-resonator using MEMS switch high-Tc superconductor,” Advances in Cryogenic Engineering, 2004, v. 50, pp. 724-731.
  13. D. Fairweather, L. Lawrence, Y. Hijazi, J. Martinez, J. Ramasamy, Yu. A Vlasov, and G. L. Larkins Jr., “Design and fabrication of a high Tc superconducting coplanar "T" resonator with a MEM shunt switch for tuning,” Advances in Cryogenic Engineering, 2004 v. 50, pp. 717-723.
  14. J. Noel, Y. Hijazi, J. Martinez, J. Vargas, Yu. A. Vlasov, M. Brzhezinskaya and G. L. Larkins Jr., “Design and fabrication of switchable superconducting microstrip “T” resonator with a MEM switch,” Advances in Cryogenic Engineering, 2004, v. 50, pp. 732-739.
  15. J. Ramasamy, D. Hanna, Y.A. Vlasov, G.L. Larkins, Jr., B.H. Moeckly, “Dielectrically loaded HTS spiral antenna” Advances in Cryogenic Engineering, 2004, v. 50, pp. 740-746.
  16. Hijazi Y., Bogozi A., Brzhezinskaya M., Martinez J., Noel J., Hanna D., Lawrence L., Fairweather D., Kennedy R., Stampe P., Vargas J., Vlasov Yu., Larkins G., “Laser ablated and RF sputtered BaTiO3 thin films for use in superconducting RF MEM switches” Advances in Cryogenic Engineering, 2004, v. 50, pp. 747-754.
  17. Yazan S. Hijazi, Yuri A. Vlasov, and Grover L. Larkins, Jr., “Design of a superconducting MEM shunt switch for RF applications,” IEEE Trans. Appl. Supercond., 2003, v. 13, no. 2, pp. 696-699.
  18. Yazan S. Hijazi, Drayton Hanna, Dane Fairweather, Yuri A. Vlasov, and Grover L. Larkins, Jr., “Fabrication of a superconducting MEM shunt switch for RF applications,” IEEE Trans. Appl. Supercond., 2003, v. 13, no. 2, pp. 700-703.
  19. Larkins G. L., Socorregut R., Vlasov Yu. A. “Superconducting microstrip hairpin filter with BTO patches,” IEEE Trans. Appl. Supercond., 2003, v. 13, no. 2, pp. 724-726.
  20. Noel J., Hijazi Y., Martinez J., Vlasov Yu.A. and Larkins G.L., Jr. “A switched high-Tc superconductor microstrip resonator using a MEM switch.” Supercond. Sci. Technol., 2003, v. 16, pp. 1438-1441.
  21. Corrales A., Vlasov Yu. A., Larkins G. L. “BaTiO3 on YBa2Cu3O7 high TC superconductors – Microwave Properties.” Integr. Ferroelectrics, 2002, v. 42, p. 123-129.
  22. Vargas J. M., Sayed S., Vlasov Yu. A., Larkins G. L., Jr. “Gap-coupled half-wave microstrip meanderline resonator on ysz buffered (100) silicon.” Advances in Cryogenic Engineering, 2002, v. 48b, pp. 429-436
  23. Socorregut R., Hankey J., Hijazi Y., Vlasov Yu. A., Larkins G. L. “High quality factor and coupling adjustment on a microstrip-line hairpin filter by using YBa2Cu3O7 and BaTiO3 patterned patches.” Advances in Cryogenic Engineering, 2002, v. 48b, pp. 437-443.
  24. Larkins G. L., Vlasov Yu.A. “A comparative study of YBa2Cu3O7 microwave hairpin filters vs. aluminum microwave hairpin filters.” Physica C: Superconductivity, 2002, v. 372-376, pp. 543-545.
  25. Vargas J., Larkins G., Vlasov Yu. “Design, fabrication and testing of a microwave filter using YBCO on a YSZ buffered (100) Si substrate.” Physica C: Superconductivity, 2002, v. 372-376, pp. 536-539
  26. Vlasov Yu., Brown P., Sayed S., Larkins G. “Superconducting microstrip resonator on YSZ buffered Si.” Physica C: Superconductivity, 2002, v. 372-376, pp. 626-629.
  27. Brown P., Khan T., Stampe P., Kennedy R., Sayed S., Vlasov Yu. A., Larkins G. L. “Sputtering of YSZ buffer layers on (100)Si for use in YBa2Cu3O7 based microwave circuits.” Physica C: Superconductivity, 2002, v. 366, no. 2, pp. 102-108
  28. Yang F., Vlasov Yu.A., Wu K.H. and Larkins G.L. Jr. “Microtructure Characterization of MgO Buffered YBa2Cu3O7 on (100) Si during Thermal Cycling.” IEEE Trans. Appl. Supercond., 2001, v. 11, no. 1, p. 2726-2729.
  29. Vargas J.M., Brown P., Khan T., Hijazi Y., Vlasov Yu.A., Larkins G.L. Jr. “Superconducting Half-Wave Microwave Resonator on YSZ Buffered Si (100).” IEEE Trans. Appl. Supercond., 2001, v. 11, no. 1, p. 392-394.
  30. Vlasov Yu. A., Vargas J. M., Brown P., Larkins G. L., Jr. “YBa2Cu3O7 on Y-Stabilized ZrO2 buffered (100) Si – "T" Resonator Microwave Characteristics.” IEEE Trans. Appl. Supercond., 2001, v. 11, no. 1, p. 385-387.
  31. Khan T., Brown P., Vlasov Yu., Lacambra A., Larkins G.L., Jr., Stampe P., Kennedy R., “YBa2Cu3O7 on sputter deposited ZrO2 buffered (100) Si – processing and characterization,” Advances in Cryogenic Engineering (Materials), 2000, vol. 46, pp. 901-905.
  32. Vlasov Yu., Lacambra A., Dixon D., Leon F., Larkins G.L., Jr., “Voltage tunable YBa2Cu3O7 – BaTiO3 – Metal capacitors for use at cryogenic temperatures and high frequencies – processing and characterization,” Advances in Cryogenic Engineering (Materials), 2000, vol. 46, pp. 497-503.
  33. Brown P., Khan T., Vlasov Yu., Batista P., Leon F., Dixon D., Larkins G.L., Stampe P., Kennedy R., “YBa2Cu3O7 on sputter deposited YSZ buffered Si (100),” Physica C. Superconductivity, 2000, v. 341-348, no. 1-4, pp. 2407-2408
  34. Chen Yu., Larkins G.L., Van Vliet C.M., Vlasov Yu. “Current Noise of Contacts to YBa2Cu3O7 High Tc Superconducting Platelets Through the transition Region.” IEEE Trans. Appl. Supercond., 1999, v. 9, no. 2, p. 3429-3431
  35. Vlasov Yu.A., Lacambra A., Soto R., Larkins G.L., Stampe P., Kennedy R. “Superconducting YBa2Cu3O7 on MgO Buffered (100) Si for High Frequency Applications – Buffer Layer Deposition Techniques and Processing Considerations.” IEEE Trans. Appl. Supercond., 1999, v. 9, no. 2, p. 1642-1644
  36. Vlasov Yu.A., Golubev O.L., Kontorovich E.L and ShrednikV.N. “Nonequilibrium nature of the breakdown of the unit cell of a high-temperature superconducting crystal during field evaporation.” Tech. Phys., 1995, v. 40, no. 1, p. 37-42
  37. Unger J., Vlasov Yu.A., Ernst N. “Probe hole field electron / field ion microscopy and energy spectroscopy of ultrasharp [111]-oriented tungsten tips.” Appl. Surf. Sci., 1995, v. 87/88, p. 45-52
  38. Vlasov Yu.A., Golubev O.L., Kontorovich E.L., Shrednik V.N. “Estimate of the binding energy of atoms in the lattice of single-crystal high-Tc superconductors.” Sov. Tech. Phys. Lett., 1992, v. 18, no. 11, p. 727-728.
  39. Vlasov Yu.A., Golubev O.L., Kontorovich E.L., Shrednik V.N. “Interaction of residual gases with an atomically clean surface of single-crystal EuBa2Cu3O7-x.” Sov. Tech. Phys. Lett., 1992, v. 18, no. 11, p. 723-724
  40. Butenko V.G., Vlasov Yu.A., Golubev O.L. and Shrednik V.N. “Point sources of electrons and ions using microprotrusion on the top of a tip.” Surf. Sci., 1992, v. 266. p. 165-169.
  41. Vlasov Yu.A., Golubev O.L., Kontorovich E.L., Shrednik V.N. Field evaporation of Bi2Sr2Ca2Cu3Oy monocrystal. Sov. Tech. Phys. Lett., 1991, v. 17, no. 12, p. 861-863.
  42. Vlasov Yu.A., Golubev O.L., Syutkin N.N., Talantsev E.F., Shrednik V.N. “Field desorption from the surface of superconducting perovskites.” Sov. Phys. Tech. Phys., 1990, v. 35, no. 10, p. 1208-1210
  43. Vlasov Yu.A., Golubev O.L., Samokhvalov N.A., Syutkin N.N., Talantsev E.F., Chebotaev N.M., and Shrednik V. N. “Determination of work function of YBa2Cu3O7‑x, TbBa2Cu3O7-x and DyBa2Cu3O7-x single crystals.” Sov. Tech. Phys. Lett., 1989, v. 15, no. 12, p. 977-979.
  44. Vlasov Yu.A, Golubev O.L., Samokhvalov N.A., Syutkin N.N., Talantsev E.F., Chebotaev N.M., and Shrednik V. N. “Atomic structure and composition of YBa2Cu3O7-x single crystals studied with a wide-angle atomic probe.” Sov. Tech. Phys. Lett., 1989, v. 15, no. 8, p. 647-649.
  45. Vlasov Yu.A., Golubev O.L., Shrednik V.N. “Progress in the study of thermo-field phenomena.” Journal De Physique, 1988, Coll. C6, Suppl. 11, T.49, p. C6-131 - C6-136.
  46. Bernatskii D. P., Vlasov Yu. A., and Pavlov V. G. “Effect of adsorbed barium on the field desorption of cesium from tungsten.” Sov. Phys. Tech. Phys., 1988, v. 33, no. 6, p. 734-735.
  47. Bernatskii D.P., Vlasov Yu.A., and Pavlov V.G. “Dependence of the field desorption of cesium from tungsten on the surface concentration of cesium.” Sov. Phys. Tech. Phys., 1987, v. 32, no. 11, p. 1366-1368.
  48. Bernatskii D.P., Vlasov Yu.A., and Pavlov V.G. “Polyatomic cesium ions during field desorption.” Sov. Tech. Phys. Lett., 1986, v. 12, no. 7, p. 333-334.
  49. Vlasov Yu.A., Pavlov V.G., and Shrednik V.N. “High-temperature field evaporation of thermofield microscopic protuberances.” Sov. Tech. Phys. Lett., 1986, v. 12, no. 5, p. 224-225.