פרופ' אביעד פרידמן

פרופ'
פרופ' אביעד פרידמן
טלפון: 
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תחומי מחקר

מחקר ניסיוני של תכונות חשמליות של מערכות נמוכי מימד ומערכות ננו, תוך התמקדות בחומרים על-מוליכים או מגנטיים. המערכות הנחקרות כוללות שכבות אולטרה-דקות, ננו-תיילים, נקודות קוונטיות, צמתי מינהור וננו-חלקיקים. המחקרים השונים עוסקים בהשפעה של הגיאומטריה, הגודל ואי הסדר על התכונות החשמליות והמגנטיות של מערכות אלו.

קורות חיים

CURRICULUM VITAE

 

 

Address:         Department of Physics

                        Bar Ilan University

Ramat Gan 52900

Israel

Telephone:     972-3-531-8102

Fax:                972-3-738-4055

E-Mail:           aviad.frydman@gmail.com

 

Personal:        Date of Birth: 09/02/64, Melbourne Australia

                        Arrived in Israel: 19/11/64

                        Married, 4 children.

 

Academic Background:

 

1987-1990       B.Sc. (cum laude), Physics and Mathematics, Hebrew University of Jerusalem.

1990-1992       M.Sc. (cum laude), Physics, Hebrew University of Jerusalem.

Thesis: “The Influence of Film Thickness on the Electric Transport of Disordered Insulators”. Supervisor: Prof. Zvi Ovadyahu.

1992-1996:      Ph.D. (distinction), Physics, Hebrew University of Jerusalem.

                        Thesis: “Quantum Mechanical Tunneling in the Presence of Intermediate States.” Supervisor: Prof. Zvi Ovadyahu.

 

Experience:

 

  1. Teaching assistant                   Hebrew University, Jerusalem
  2. Post Doctoral Researcher        University of California, San Diego

1999- 2005      Senior Lecturer                       Bar Ilan University

2005-2006       Visiting professor                    Yale university

2006-present   Associate Professor                 Bar Ilan University

 

Academic Awards and Distinctions:

 

1987                Dean’s undergraduate Scholarship

1987-1990       “Amirim Program” for excellent students

1991                Rector’s graduate scholarship

1994                Excellence Prize in honor of Alza Wiener

1995-1996       “Charles Clore” Research Scholarship

  1. Hebrew University post-doctoral scholarship
  2. “Max Shlimiak” scholarship.

2000-2003       “Pollak” fund scholarship

 

 

 

 

Invited Talks in conferences:

 

1995:               “Sub-Harmonic Gap Structure in SIS junctions”, The Israeli Physical Society Meeting, Bar-Ilan University, Israel.

1996:               “Andreev Tunneling through Anderson Insulators”, 6th International Conference on Hopping and Related Phenomena, Jerusalem, Israel.

1997:               “Conductance Fluctuations in Mesoscopic Granular Superconductors”, International Conference on Mesoscopic and Strongly Correlated Systems, Chernagolovka, Russia.

  1. "Andreev Reflections in Disordered Media", American Physical Society meeting, Los Angeles.
  2.  “The proximity effect in granular ferromagnets”, 8th International conference on Hopping and Related Phenomena, Murcia, Spain.
  3.  “Excess conductance in normal metal-superconductor Interfaces”, 2nd International Conference on Mesoscopic and Strongly Correlated Systems, Chernagolovka, Russia.

“Excess Andreev conductivity through Anderson Insulators”, 2nd Israel-Japan conference, Tokyo, Japan.

‏2001                “The superconductor Insulator transition in systems of ultrasmall grains”, Minerva conference, Dead Sea, Israel

2002                “The superconductor Insulator transition in systems of ultrasmall grains”, Israel-India condensed matter meeting, Jerusalem.

‏2003                “Magnetoresistance properties of dilute granular Ferromagnets”, 10th International Conference on Hopping and Related Phenomena, Trieste, Italy.

                        “Magnetoresistance properties of dilute granular Ferromagnets”, International Conference on Nano Science and Technology, Calcutta, India

2004                "The inverse proximity effect in ultra-thin superconductors", International Thin Films Workshop, Brookhaven National Lab, USA.

2005                "Asymmetrical magnetoresistans in magnetic nanostructures", Third Indo-Israel Meeting in Condensed Matter Physics, Puri, India.

                        "Utilyzing an AFM for studying the electronic transport through single nanoparticles". SPM 2005, Holon, Israel.

2006             "Electric-transport through systems of nanomagnetic particles". Bar Ilan Jubilee symposium on Nanotechnology, Ramat Gan.

2007             "Current induced magnetism in systems of magnetic nanoparticles". "Superconductivity and Magnetism in the perovskites and other novel materials", Kefar Hamacabia.

"Nonequilibrium voltage noise in superconducting wires", SPIE conference on noise and fluctuations in Materials, circuits and Devises, Florence, Italy

2008             "The inverse proximity effect" – Superconducting insulator transition,               Weizmann institute

2009                 "The interplay between Itinerant Ferromagnetism and Anderson localization"    New Frontiers is Spintronics" - Jerusalem

"An analogue between superconductivity and ferromagnetism in ultrathin films", SUPERCONDUCTIVITY-from collective modes to quantum phase transitions, Minnesota.

"Inverse proximity effect in thin superconducting and ferromagnetic layers", Conference on Superconductor Insulator transitions, Trieste – Italy.

"The inverse proximity effect in ultrathin films", Transport in Disordered systems – 13, Rackeve, Hungary

2010                " Granular Ni – ferromagnetic electron glasses" Electron Glasses, Santa Barbara, USA

                        " Ferromagnetic Electron Glasses" Out of equilibrium quantum systems, Santa Barbara, USA

  "Coulomb blockade and electron interaction effects in strongly coupled metallic quantum dots", Quantum-dots 2010, Chernagolovka, Russia.

2011                "Anomalous voltage drop in superconducting InOx wires" The Superconductor Insulator Transition, Argonne national lab, USA.

                        "The electron glass in discontinuous metal films", Disordered systems – from condensed matter to cold atoms, Cargese, Corsica.

2012                “Ultra-slow relaxation in discontinuous film based electron glasses”, Non-equilibrium transport in low dimensional systems, Kfar Blum, Israel.

2013                "Temperature dependent memory in electron glasses", TIDS15, Barcelona.

 

 

Conference Organizer:

 

‏2001                9th International conference on Hopping and Related Phenomena, Shefayim, Israel – Chair

‏2003                The 49th meeting of the Israel Physical Society (IPS-2003) – Deputy Chair

  1. Israeli vacuum society conference – Organizing Committee

2009                 55th meeting of the Israeli physical Society- Chair

2011                Transport in disordered interacting systems TIDS14-Chair

 

Graduated students

Amitay Cohen             M.Sc                2000-2002

Doron Barness            M.Sc.               2000-2002

Coby Dukow              M.Sc.               2002- 2004

Daniel Radovsky        Ph.D.               2001-2004

Udi Meridor                M.Sc.               2002- 2005

Amitay  Cohen            Ph.D                2002- 2006

Noa Kurzweil              M.Sc.               2003-2005

Noa Kurzweil              Ph.D                2005-2009

Liora Biton                  M.Sc.               2004-2006

Ora Biton                    Ph.D                2006-2010

Shachaf Poran             Ms.C               2009-2011

Daniel Sherman           Ms.C               2009-2011                  

 

Present Students

 

Tal Havdala                 Ph.D.              

Daniel Sherman           Ph.D   

Shachaf Poran             Ph.D

Ariel Eisenbach           M.Sc

פירסומים

  1. “Evidence for fractal behavior in a hopping system”  A. Frydman, O. Cohen and Z. Ovadyahu, Solid State Commun. 83, 249 (1992).
  2. “Spin and Quantum Interference Effects in Hopping Conductivity”, A. Frydman and  Z. Ovadyahu, Solid State Comm. 94, 745-749 (1995).
  3. “Josephson Coupling Mediated by Quantum Diffusion”,  A. Frydman and  Z. Ovadyahu, Solid State Comm. 95, 79-83 (1996).
  4. “Andreev Reflections in Anderson Insulators”,  A. Frydman and  Z. Ovadyahu, Europhysics Letters, 33, 217-222 (1996).
  5. “High Field Magneto-Conductance in Anderson Insulators”, A. Vaknin, A. Frydman, Z. Ovadyahu and M. Pollak, Phys. Rev. B54, 13604-13610 (1996).
  6. “Charge Transport through Superconductor/Anderson Insulator Interfaces”,
  7. A. Frydman and  Z. Ovadyahu, Phys. Rev. B55, 9047-9057 (1997).
  8. “Mesoscopic Phenomena in Disordered Superconductors”, A. Frydman, E.P. Price and R.C. Dynes, Physics Uspekhi 168 (2), 237-240 (1998).
  9. “Conductance Fluctuations in Mesoscopic Granular Superconductors”  A. Frydman, E.P. Price and R.C. Dynes, Solid State Comm. 106, 715-719 (1998).
  10. “Disorder Induced Andreev Reflections in Granular Metals”,  A. Frydman and R.C. Dynes, Phys. Rev. B59, 8432-8435 (1999).
  11. “Magnetoresistance of Granular Ferromagnets – Observation of a Magnetic Proximity Effect?” A. Frydman and R.C. Dynes, Sol. State Comm. 110, 485-490 (1999).
  12. “Excess Conductance in Superconductor-Normal Metal Interfaces”, A. Vaknin, A. Frydman and Z. Ovadyahu, Phys. Rev. B61, 13037 (2000).
  13. “Superparamagnetism in Discontinuous Ni Films”, A. Frydman, T.L. Kirk and R.C. Dynes, Solid State Commun. 114, 481 (2000).
  14. “Proximity Effects in Granular Superconductors and Magnets” A. Frydman, L.M. Marchant and R.C. Dynes, Physica Status Solidi B 218, 173 (2000).
  15. "Granular Superconductors and Ferromagnets, a Proximity Effect Based Analogue”, A. Frydman and R.C. Dynes, Phil. Mag. 81, 1153 (2001).
  16. “Inverse Proximity Effect in a Strongly Correlated Electron System”, O. Bourgeois, A Frydman and Robert C. Dynes, Phys. Rev. Lett. 88, 186403 (2002).
  17. “Universal transport in 2D granular superconductors”, A. Frydman, O. Naaman and R.C. Dynes,  Phys. Rev. B66 052509 (2002)
  18. “The proximity effect in systems of ultra-small grains”, A Frydman, Phys. Stat. Sol. (b) 230, 127 (2002).
  19. “Spreading of a mercury droplet on thin gold films”, A. Be’er , Y. Lereah , A. Frydman and H. Teitelbaum, Physica A 314, 325 (2002).
  20. “The Superconductor Insulator Transition in Systems of Ultrasmall Grains”,
  21. A. Frydman, Physica C, 391, 189 (2003).
  22. “Proximity effect in ultrathin Pb/Ag multilayers within the Cooper limit”, 
  23. O. Bourgeois, A Frydman and R. C. Dynes, Phys. Rev. B, 68, 092509 (2003).
  24.  “Crossover from 2D to 3D magnetic disorder in sub-mono-atomic ferromagnetic layers” A. Frydman and R.C. Dynes, Phys. Rev. B68, rapid communications, 100408(R) (2003).
  25. “Magneto-transport properties of dilute granular ferromagnets”, A. Cohen, A. Frydman and R. Berkovits, Solid State Commun., 129/5, 291 (2004).
  26.  “Magneto-mechanical effects in nano-magnets”, A. Cohen and A. Frydman, Physica Status Solidi. (C), 1/1, 33 (2004).
  27. “Encapsulating a superconductor material, MgCNi3, in a Carbon Nanoflask” R.K. Rana, V.G. Pol, I. Felner, E. Meridor, A. Frydman and A. Gedanken, Advanced Materials, 16(12), 972 (2004).
  28. “Combining nano-mechanics and magneto-electronics in systems of granular Ni”. A. Cohen, D. Radovsky, D. Barness and A. Frydman, International Journal of Nanoscience, 3, 381 (2004).
  29. Percolation transition in a two-dimensional system of Ni granular ferromagnets, Y.M. Strelinker, Richard Berkovits, A. Frydman and S. Havlin, Phys. Rev. E., rapid communications, 69, 065105(R) (2004).
  30. "Memory in a magnetic nanoparticle system: Polidispersity and interaction effects" , S. Chakravarty, M. Bandyopadhyay, S. Chatterjee, S. Dattagupta, A. Frydman, S. Sengupta and P.A. Sreeram, Phys. Rev. B71., 054401 (2005).
  31. “Utilizing hidden Markov processes as a new tool for experimental physics”, I Kanter A. Frydman and A. Ater, Europhysics Letters, 69, 798 (2005).
  32.  “Is a multiple excitation of a single atom many times equivalent to a single excitation of an ensemble of atoms”, I. Kanter, A. Frydman and A Ater, Europhysics Letters, 69 874 (2005).
  33. “Zero-field resistance dip in magnetic tunnel junctions employing a granular electrode.” D. Barness and A. Frydman, Phys. Rev. B72, 012413 (2005).
  34. "Fabrication and magnetic properties of Ni nanospheres encapsulated in a fullerene - like carbon", V. G. Pol, S. V. Pol, A. Frydman, G. N. Churilov, and A. Gedanken, Journal of Physical Chem. B, 109, 9495 (2005).
  35. "The effect of lithography processing on the I-V characteristics of Al-Al2O3-Ag junctions", A. Kreimer and A. Frydman, J. Appl. Phys., 97, 124502 (2005).
  36. "Resistance distribution in the hopping percolation model", Y.M. Strelniker, S. Havlin, R. Berkovits and A. Frydman, Phys. Rev. E 72, 016121 (2005).
  37. "The role of ultrasmall grains in a granular ferromagnets", A.Y. Dokow, D. Barness and A. Frydman, International Journal of Nanoscience, 4, 887 (2005).
  38. "Magnetoresistance of mesoscopic granular ferromagnets", A.Y. Dokow, H. Vilchik and A. Frydman, Phys. Rev. B72, 094402 (2005).
  39. “The synthesis and magnetic properties of monodispersed single domain nickel nanospheres and highly globular nanostructures of NicoreNiOshell“, D. Liu, E. Meridor, A. Frydman and A. Gedanken, J. Mag. Mag Mat., 301, 13 (2006).
  40. "Magnetic coding in systems of nano-magnetic particles", S. Chakraverty,   B. Ghosh, S. Kumar and A. Frydman, Applied Physics Letters, 88, 042501 (2006).  
  41. "The signature of a double quantum-dot structure in the I-V characteristics of a complex system", L. Bitton, D. Radovsky, A. Cohen, A. Frydman and R. Berkovits, Phys. Rev. B73, 035331 (2006).
  42. "Tunable metallic quantum dots", L. Bitton and A. Frydman, Applied physics letters, 88, 113113 (2006).
  43. "Phase transition from the ferromagnetic to superparamagnetic with a loop shift in 5-nm nickel particles", XS Liu, K Huang, SQ  Zhou, P. Zhao, U. Meridor, A. Frydman and A. Gedanken, , J. Mag. Mag Mat., 305, 504 (2006).
  44. "Magneto-transport in ferromagnetic granular networks", H. Vilchik, A. Frydman and R. Berkovits,  Physica Status Solidi c, 3, 288 (2006)
  45. " Hopping percolation transition in granular ferromagnets", Y.M.  Strelniker, S. Havlin, R. Berkovits R and A. Frydman. J. Appl. Phys., 99, 08P205 (2006).
  46. "Superconducting niobium nanowire single photon detectors" A. J. Annunziata, A. Frydman, M. O. Reese, L. Frunzio, M. Rooks and  D. E. Prober, Proc. of SPIE 6372 63720V-7 (2007)
  47. "Inverse slow relaxation in granular hopping systems", N. Kurzweil and A. Frydman, Phys. Rev B., rapid communications, 75 020202(R) (2007).
  48. " Spreading of Mercury droplets on thin Silver films at room temperature" A. Beer, Y. Lereah, A. Frydman and H. Taitelbaum, Phys. Rev. E, 75 051601 (2007).
  49. "Effective medium approximation for hopping conductivity and Josephson junctions", Y. M. Strelniker, S. Havlin and A. Frydman, Physica B, 394, 368 (2007).
  50. “Percolation model for the superconductor-insulator transition in granular films”, Y. M. Strelniker, A. Frydman  and S. Havlin , Phys. Rev. B76, 224528 (2007).
  51. Mesoscopic effects in macroscopic granular systems, A. Cohen and A. Frydman, Journal of Physics: Condensed Matter, 20, 075234 , (2008).
  52. “Properties of Doped Manganese Oxides and the Origin of Colossal Magnetoresistance”, D. I. Golosov, N. Ossi, A. Frydman, I. Felner, I. Nowik, D. Orgad, M. I. Tsindlekht, Y. M. Mukovskii, Europhysics letters, 84, 47006 (2008).
  53. "Niobium superconducting nanowire single-photon detectors", A. J. Annunziata, D. F. Santavicca, J. D. Chudow, L. Frunzio, M. J. Rooks, A. Frydman and D. E. Prober. IEEE transactions on superconductivity, 19, 327 (2009).
  54. "Fabrication of electro optical nano modulator on silicon chip" O. Limon, L. Businaro, A. Gerardino, L. Bitton , A. Frydman , Z. Zalevsky.  Microelectronic Engineering 86, 1099, (2009).  
  55. "Itinerant Ferromagnetism in the limit of electron localization", N. Kurtzweil, E. Kogan and A. Frydman, Phys. Rev. Lett. 102, 096603 (2009).
  56. "Niobium Superconducting Nanowire Single-Photon Detectors", A.J. Annunziata, D.F. Santavicca, J.D. Chudow, L. Frunzio, M.J. Rooks, A. Frydman and D.E. Prober, IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 19 , 327 (2009)
  57.  "Design and Fabrication of 1 × 2 Nanophotonic Switch" Asaf Shahmoon, Maoz Birenboim, Aviad Frydman, and Zeev Zalevsky, J. Nanotechnology, 2010, 953212 (2010)
  58. "Tunable superconducting nanoinductors", Anthony Annunziata, Daniel Santavicca, Luigi Frunzio, Gianluigi Catelani, Michael Rooks, A Frydman and Daniel E Prober, Nanotechnology, 21, 445202 (2010).
  59. "All-optical nano modulator, sensor, wavelength converter, logic gate, and flip flop based on a manipulated gold nanoparticle", Asaf Shahmoon, Yoed Abraham, Ofer Limon, Liora Bitton, Aviad Frydman, Ron Unger and Zeev Zalevsky, J. Nanophotonics, 4, 041780 (2010).
  60. "Reset dynamics and latching in niobium superconducting nanowire single-photon detectors, A. J. Annunziata, O. Quaranta, D. F. Santavicca, A. Casaburi, L. Frunzio, M. Ejrnaes, M. J. Rooks, R. Cristiano, S. Pagano, A. Frydman, D. E. Prober, J. Appl. Phys, 108, 084507 (2010).  
  61. "Absence of weak antilocalization in ferromagnetic films", N. Kurzweil, E. Kogan and A. Frydman, Phys. Rev. B, 82, 235104 (2010).
  62. "Coexistence of Coulomb blockade and zero bias anomaly in a strongly coupled nanoparticle" , L. Bitton, D.B. Gutman, R. Berkovits and A. Frydman, Phys. Rev Lett. 106, 016803 (2011)
  63.  “Disorder induced superconducting ratchet effect in nanowires”, S. Poran, E. Shimshoni and A. Frydman, Phys. Rev. B 84, 014529 (2011).
  64. “Extended object tunneling: Current-carrying states of Abrikosov vortices in a superconductor with artificial nanobarriers”, B. Rosenstein, I. Shapiro, B. Ya. Shapiro, Dingping Li, A. Frydman, S. Poran, and D. Berco, Phys. Rev. B 85, 054512 (2012).
  65. “A Superconducting Gap in an Insulator”,  D. Sherman, G. Kopnov, D. Shahar and A. Frydman,  Phys. Rev. Lett. 108, 177006 (2012).
  66. “Ulta-slow relaxation in discontinuous-film based electron glasses”, T. Havdala, A. Eisenbach, and A. Frydman,  Euro Phys. Lett., 98, 67006 (2012)
  67. “The Electron Glass”, M. Pollak, M. Ortuno and A. Frydman, Cambridge University press (2012)
  68. “Zero bias anomaly in a two dimensional granular insulator”, N. Ossi, L. Bitton, D.B. Gutman, and A. Frydman, Phys. Rev. B.,  87, 115137 (2013).
  69. “Periodic negative magnetoresistance in granular YBa2Cu3O7−δ nanowires",  D. Levi, A. Shaulov, A.Frydman, G.Koren, B. Ya. Shapiro and Y. Yeshurun, Euro Physics Lett., 101, 67005 (2013).
  70. " Tunneling Density of States of Indium Oxide Films Through the Superconductor to Insulator Transition", D. Sherman, G. Kopnov, E. Farber, D. Shahar and A. Frydman. J. superc. And novel Magn. 26, 1473, 2013.
  71. "Electrostatic tuning of the properties of disordered indium-oxide films near the superconductor-insulator transition", Y. Lee, A. Frydman, T.R. Chen, B. Skinner, and A.M. Goldman, Phys. Rev.B. 88, 024509 (2013)

קורסים

86-385: Laboratory in applied physics

86-386: Advanced laboratory in physics

פעילויות

  • Skills and Fields of Experience:
  • Thin film growth: Thermal evaporation, e-beam evaporation UHV techniques and quench-condensation methods.
  • Advanced Lithography: Electron beam nano-lithography and Photo-lithography, ion milling, reactive ion milling, chemical etching and other processing techniques applicable to sub-micron electronics.
  • Microscopy: Scanning and transmission electron microscopy, scanning tunneling microscopy (STM) and atomic force microscopy (AFM).
  • Low Temperature: Cryogenic measurement techniques, low noise measurements, dc and ac (lock-in) techniques, high field magneto-transport measurements