Michael Roukes

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Michael Roukes
TEDxCaltech Michael Roukes.jpg
Michael Roukes at TEDxCaltech, 1/14/11
NationalityAmerican
Alma mater Cornell University
UCSC
Known for nanoscience, nanoelectromechanical systems, nanobiotechnology, neurotechnology
Scientific career
Fields Physics, Applied Physics, Bioengineering
Institutions California Institute of Technology

Michael Lee Roukes is an American experimental physicist, nanoscientist, and the Frank J. Roshek Professor of Physics, Applied Physics, and Bioengineering at the California Institute of Technology (Caltech).

Contents

Education

Roukes earned B.A. degrees in physics and chemistry (double majors) in 1978 at University of California, Santa Cruz, with highest honors in both majors, he received his Ph.D. in physics from Cornell University in 1985. His graduate advisor at Cornell was Nobel Laureate, Robert Coleman Richardson. Roukes’ thesis research at Cornell elucidated the electron–phonon bottleneck at ultra low temperatures; [1] the hot electron effect that is now recapitulated in texts on solid state transport physics. Stated in simplest terms, when electrons carry current in normal conductors, they heat up. At low temperatures and, now, in nanoscale devices at ordinary temperatures, their ability to dissipate this heat can be significantly impaired. This has generic implications for the operation of powered nanodevices.

Research and academic career

After earning his Ph.D., Roukes spent seven years as a member of technical staff / principal investigator in the Quantum Structures Research group at Bell Communications Research in New Jersey, focusing on mesoscopic physics of electron transport in nanostructures. Roukes left Bellcore to become a tenured associate professor of physics at Caltech in 1992, rising to full professorship in 1995, and subsequently became professor of physics, applied physics, and bioengineering in 2000. Upon moving to Caltech, his principal research focus changed to nanoelectromechanical systems (NEMS). [2] As the earliest pioneer in this field, DARPA engaged Roukes to organize the first international workshop on NEMS in 1999, [3] followed by a large international conference and school on nanoscale and molecular mechanics in 2002. [4] The many alumni from his group continue to advance this field at major universities in the U.S. and abroad. [5] Roukes' other research efforts at Caltech have focused on thermal properties of nanostructures, semiconductor spintronics, and, more recently, nanobiotechnology.

In 2002 Roukes was named the founding director of the Kavli Nanoscience Institute (KNI) at Caltech. After stepping down between 2006–2008, to focus on co-founding the international Alliance for Nanosystems VLSI (very large scale integration) and to pursue collaborative research on NEMS VLSI in connection with a Chaire d’Excellence in Nanoscience in Grenoble (with scientists at CEA/LETI-Minatec), Roukes returned as co-Director of the KNI in 2008.

Roukes was named a recipient of a National Institutes of Health Director's Pioneer Award in 2010. In 2012 he was named Chevalier (Knight) of the Ordre des Palmes Académiques by the Republic of France. [6]

Among his groups' principal achievements at Bell were observation of quenching of the Hall effect in a quasi-one-dimensional wire, [7] elucidation of electron-boundary scattering in quantum wires, [8] invention of "anti"-dots [9] and elucidation of commensurability effects in this system, [10] first elucidation of chaotic transport in mesoscopic conductor, [11] and direct measurement of the transmission matrix for a mesoscopic conductor. [12] Among his groups' principal achievements at Caltech are development of the first nanoelectromechanical systems, [13] measurement of the quantum of thermal conductance, [14] first attainment of attogram mass resolution with a NEMS resonator, [15] first measurement of nanodevice motion at microwave frequencies, [16] discovery of the giant planar Hall effect in semiconducting ferromagnets, [17] observation and control of a single domain wall in a ferromagnetic semiconducting wire, [18] first demonstration of zeptogram-scale mass sensing, [19] first coupling of a qubit to a NEMS resonator, [20] and first demonstration of nanomechanical mass spectrometry of single protein molecules. [21] Roukes has authored or co-authored highly cited general interest articles on nanophysics, [22] nanoelectromechanical systems, [23] [24] spintronics, [25] and quantum electromechanics. [26]

Roukes and his collaborators have been issued 57 patents in his fields of research.

An electron micrograph of the quantum of thermal conductance device, taken by postdoc Keith Schwab and colorized by Roukes, was acquired for the permanent collection of the Museum of Modern Art in 2008. [27] [28]

Events, affiliations and campaigning

Roukes organized TEDxCaltech: Feynman's Vision - The Next 50 Years, held on January 14, 2011, which celebrated the genius of Caltech physicist Richard Feynman in a series of forward-looking talks in the TED (conference) format. Subsequently, he organized TEDxCaltech: The Brain, which was held on January 19, 2013 at Caltech. Talks from these events can be found online.

In 2002, with three other scientists, Roukes met with, Elias Zerhouni, the director of the U.S. National Institutes of Health, and the directors of the National Cancer Institute, the National Institute of Neurological Disorders and Stroke, and several other NIH directors to propose what ultimately became the National Cancer Institute's Alliance for Nanotechnology in Cancer.

In 2011, Roukes was one of the six scientists first advocating, to the White House Office of Science and Technology Policy (OSTP), a large-scale U.S. national neuroscience project to accelerate technology for functional connectomics. [29] The group's concept of a Brain Activity Map project [30] [31] ultimately led to President Obama's BRAIN Initiative, launched in 2013. [32] In 2016, Roukes founded the multi-institution Neurotech Alliance to disseminate state-of-the-art neurotechnology to the neuroscience research community. [33]

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References

  1. ↑ Roukes, M. L.; Freeman, M. R.; Germain, R. S.; Richardson, R. C.; Ketchen, M. B. (1985-07-22). "Hot electrons and energy transport in metals at millikelvin temperatures" (PDF). Physical Review Letters. 55 (4). American Physical Society (APS): 422–425. Bibcode:1985PhRvL..55..422R. doi:10.1103/physrevlett.55.422. ISSN   0031-9007. PMID   10032346.
  2. ↑ Travis, J. (1994-03-25). "Building Bridges to the Nanoworld". Science. 263 (5154). American Association for the Advancement of Science (AAAS): 1702–1703. Bibcode:1994Sci...263.1702T. doi:10.1126/science.263.5154.1702. ISSN   0036-8075. PMID   17795374.
  3. ↑ (1st) DARPA Workshop on Nanoelectromechanical Systems, San Diego, CA, 22–23 April 1999.
  4. ↑ 1st International Conference and School on Nanoscale/Molecular Mechanics (n/m^2), Maui, Hawaii, May 12–17, 2002 (funded by DARPA).
  5. ↑ Cho, A. (2003-01-03). "PHYSICS: Researchers Race to Put the Quantum Into Mechanics". Science. 299 (5603). American Association for the Advancement of Science (AAAS): 36–37. doi:10.1126/science.299.5603.36. ISSN   0036-8075. PMID   12511628. S2CID   8598602.
  6. ↑ "Professor Roukes receives the Palmes Académiques medal".
  7. ↑ Roukes, M. L.; Scherer, A.; Allen, S. J.; Craighead, H. G.; Ruthen, R. M.; Beebe, E. D.; Harbison, J. P. (1987-12-28). "Quenching of the Hall Effect in a One-Dimensional Wire" (PDF). Physical Review Letters. 59 (26). American Physical Society (APS): 3011–3014. Bibcode:1987PhRvL..59.3011R. doi:10.1103/physrevlett.59.3011. ISSN   0031-9007. PMID   10035710.
  8. ↑ Thornton, T. J.; Roukes, M. L.; Scherer, A.; Van de Gaag, B. P. (1989-11-06). "Boundary scattering in quantum wires" (PDF). Physical Review Letters. 63 (19). American Physical Society (APS): 2128–2131. Bibcode:1989PhRvL..63.2128T. doi:10.1103/physrevlett.63.2128. ISSN   0031-9007. PMID   10040769.
  9. ↑ Roukes, M.L & Scherer, A., Bull. Am. Phys. Soc. 34, 622(1989)
  10. ↑ Weiss, D.; Roukes, M. L.; Menschig, A.; Grambow, P.; von Klitzing, K.; Weimann, G. (1991-05-27). "Electron pinball and commensurate orbits in a periodic array of scatterers" (PDF). Physical Review Letters. 66 (21). American Physical Society (APS): 2790–2793. Bibcode:1991PhRvL..66.2790W. doi:10.1103/physrevlett.66.2790. ISSN   0031-9007. PMID   10043617.
  11. ↑ Roukes, M. L.; Alerhand, O. L. (1990-09-24). "Mesoscopic junctions, random scattering, and strange repellers" (PDF). Physical Review Letters. 65 (13). American Physical Society (APS): 1651–1654. Bibcode:1990PhRvL..65.1651R. doi:10.1103/physrevlett.65.1651. ISSN   0031-9007. PMID   10042324.
  12. ↑ Shepard, K. L.; Roukes, M. L.; Van der Gaag, B. P. (1992-04-27). "Direct measurement of the transmission matrix of a mesoscopic conductor" (PDF). Physical Review Letters. 68 (17). American Physical Society (APS): 2660–2663. Bibcode:1992PhRvL..68.2660S. doi:10.1103/physrevlett.68.2660. ISSN   0031-9007. PMID   10045455.
  13. ↑ Cleland, A. N.; Roukes, M. L. (1996-10-28). "Fabrication of high frequency nanometer scale mechanical resonators from bulk Si crystals" (PDF). Applied Physics Letters. 69 (18). AIP Publishing: 2653–2655. Bibcode:1996ApPhL..69.2653C. doi:10.1063/1.117548. ISSN   0003-6951.
  14. ↑ Schwab, K.; Henriksen, E. A.; Worlock, J. M.; Roukes, M. L. (2000). "Measurement of the quantum of thermal conductance". Nature. 404 (6781). Springer Nature: 974–977. Bibcode:2000Natur.404..974S. doi:10.1038/35010065. ISSN   0028-0836. PMID   10801121. S2CID   4415638.
  15. ↑ Roukes, M.L. & Ekinci, K.L, Apparatus and method for ultrasensitive nanoelectromechanical mass detection, U.S. Provisional Patent Application serial No. 60/288,741 filed on May 4, 2001; awarded as United States Patent 6,722,200, April 20, 2004
  16. ↑ Henry Huang, Xue Ming; Zorman, Christian A.; Mehregany, Mehran; Roukes, Michael L. (2003). "Nanodevice motion at microwave frequencies". Nature. 421 (6922). Springer Nature: 496. doi: 10.1038/421496a . ISSN   0028-0836. PMID   12556880. S2CID   52857623.
  17. ↑ Tang, H. X.; Kawakami, R. K.; Awschalom, D. D.; Roukes, M. L. (2003-03-12). "Giant Planar Hall Effect in Epitaxial (Ga,Mn)As Devices". Physical Review Letters. 90 (10). American Physical Society (APS): 107201. arXiv: cond-mat/0210118 . Bibcode:2003PhRvL..90j7201T. doi:10.1103/physrevlett.90.107201. ISSN   0031-9007. PMID   12689027. S2CID   1485882.
  18. ↑ Tang, H. X.; Masmanidis, S.; Kawakami, R. K.; Awschalom, D. D.; Roukes, M. L. (2004). "Negative intrinsic resistivity of an individual domain wall in epitaxial (Ga,Mn)As microdevices". Nature. 431 (7004). Springer Nature: 52–56. Bibcode:2004Natur.431...52T. doi:10.1038/nature02809. ISSN   0028-0836. PMID   15343329. S2CID   4418295.
  19. ↑ Yang, Y. T.; Callegari, C.; Feng, X. L.; Ekinci, K. L.; Roukes, M. L. (2006). "Zeptogram-Scale Nanomechanical Mass Sensing". Nano Letters. 6 (4). American Chemical Society (ACS): 583–586. Bibcode:2006NanoL...6..583Y. doi:10.1021/nl052134m. ISSN   1530-6984. PMID   16608248.
  20. ↑ LaHaye, M. D.; Suh, J.; Echternach, P. M.; Schwab, K. C.; Roukes, M. L. (2009). "Nanomechanical measurements of a superconducting qubit" (PDF). Nature. 459 (7249). Springer Science and Business Media LLC: 960–964. Bibcode:2009Natur.459..960L. doi:10.1038/nature08093. ISSN   0028-0836. PMID   19536259. S2CID   4379760.
  21. ↑ Naik, A. K.; Hanay, M. S.; Hiebert, W. K.; Feng, X. L.; Roukes, M. L. (2009-06-21). "Towards single-molecule nanomechanical mass spectrometry". Nature Nanotechnology. 4 (7). Springer Nature: 445–450. Bibcode:2009NatNa...4..445N. doi:10.1038/nnano.2009.152. ISSN   1748-3387. PMC   3846395 . PMID   19581898.
  22. ↑ Roukes, M., Plenty of room indeed (2001) Scientific American285, 48–54
  23. ↑ Roukes, M., Nanoelectromechanical systems face the future. (2001) Physics World14, 25–31
  24. ↑ Ekinci, K. L.; Roukes, M. L. (2005). "Nanoelectromechanical systems" (PDF). Review of Scientific Instruments. 76 (6). AIP Publishing: 061101–061101–12. Bibcode:2005RScI...76f1101E. doi:10.1063/1.1927327. ISSN   0034-6748. S2CID   119326854.
  25. ↑ Wolf, S. A.; Awschalom, D. D.; Buhrman, R. A.; Daughton, J. M.; von Molnár, S.; et al. (2001-11-16). "Spintronics: A Spin-Based Electronics Vision for the Future". Science. 294 (5546). American Association for the Advancement of Science (AAAS): 1488–1495. Bibcode:2001Sci...294.1488W. doi:10.1126/science.1065389. ISSN   0036-8075. PMID   11711666. S2CID   14010432.
  26. ↑ Schwab, Keith C.; Roukes, Michael L. (2005). "Putting Mechanics into Quantum Mechanics" (PDF). Physics Today. 58 (7). AIP Publishing: 36–42. Bibcode:2005PhT....58g..36S. doi:10.1063/1.2012461. ISSN   0031-9228.
  27. ↑ Design and the elastic mind, by Paola Antonelli, Museum of Modern Art (2008, New York, N.Y.), p. 98
  28. ↑ "TWO CULTURES". Science. 319 (5867). American Association for the Advancement of Science (AAAS): 1167a. 2008-02-29. doi:10.1126/science.319.5867.1167a. ISSN   0036-8075. S2CID   220103070.
  29. ↑ Johnson, Carolyn (April 5, 2013). "Local Scientists on Brain Mapping Dream Team Reflect on Challenges, Opportunity". Boston Globe. http://bo.st/1f2sy2c Retrieved April 11, 2013.
  30. ↑ Alivisatos, A. Paul; Chun, Miyoung; Church, George M.; Greenspan, Ralph J.; Roukes, Michael L.; Yuste, Rafael (2012). "The Brain Activity Map Project and the Challenge of Functional Connectomics". Neuron. 74 (6). Elsevier BV: 970–974. doi: 10.1016/j.neuron.2012.06.006 . ISSN   0896-6273. PMC   3597383 . PMID   22726828.
  31. ↑ Alivisatos, A. P.; Chun, M.; Church, G. M.; Deisseroth, K.; Donoghue, J. P.; Greenspan, R. J.; McEuen, P. L.; Roukes, M. L.; Sejnowski, T. J.; Weiss, P. S.; Yuste, R. (2013-03-07). "The Brain Activity Map". Science. 339 (6125). American Association for the Advancement of Science (AAAS): 1284–1285. Bibcode:2013Sci...339.1284A. doi:10.1126/science.1236939. ISSN   0036-8075. PMC   3722427 . PMID   23470729.
  32. ↑ Markoff, John (February 18, 2013). "Obama Seeking to Boost Study of Human Brain". New York Times. http://nyti.ms/18xelJn Retrieved February 18, 2013.
  33. ↑ http://openneurotech.org [ bare URL ]
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