Donald Eigler - AbsoluteAstronomy.com

Donald M. Eigler is a physicist

Physicist

A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

and IBM Fellow

IBM Fellow

An IBM Fellow is an appointed position at IBM made by IBM’s CEO. Typically only 4 to 9 IBM Fellows are appointed each year, at the annual Corporate Technical Recognition Event in May or June. It is the highest honor a scientist, engineer, or programmer at IBM can achieve.The IBM Fellows program...

at the IBM

IBM

International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

Almaden Research Center

The IBM Almaden Research Center is in San Jose, California, and is one of IBM's nine worldwide research labs. Its scientists perform basic and applied research in computer science, services, storage systems, physical sciences, and materials science and technology. The center opened in 1986, and...

. On September 28, 1989 he achieved a landmark in humankind’s ability to build small structures by demonstrating the ability to manipulate individual atoms with atomic-scale precision. He went on to write I-B-M using 35 individual xenon

Xenon

Xenon is a chemical element with the symbol Xe and atomic number 54. The element name is pronounced or . A colorless, heavy, odorless noble gas, xenon occurs in the Earth's atmosphere in trace amounts...

atoms; this event was likened to the Wright brothers’ first flight at Kitty Hawk

Kitty Hawk

Kitty Hawk or Kittyhawk may refer to:Places*Kitty Hawk, North Carolina*Kitty Hawk, is an area of Wright-Patterson Air Force Base*Kitty Hawk Air Society, an Honor Society for the Air Force Junior Reserve Officers' Training Corps programAirlines...

by Jack Uldrich in his book, The Next Big Thing is Really Small: How Nanotechnology Will Change The Future of Your Business. Eigler's feat was performed using a low temperature ultra high vacuum scanning tunneling microscope

Scanning tunneling microscope

A scanning tunneling microscope is an instrument for imaging surfaces at the atomic level. Its development in 1981 earned its inventors, Gerd Binnig and Heinrich Rohrer , the Nobel Prize in Physics in 1986. For an STM, good resolution is considered to be 0.1 nm lateral resolution and...

that he designed and built. For this and other work Donald Eigler was awarded, together with Nadrian Seeman

Nadrian Seeman

Nadrian C. "Ned" Seeman is an American nanotechnologist and crystallographer known for inventing the field of DNA nanotechnology.Seeman studied biochemistry at the University of Chicago and crystallography at the University of Pittsburgh...

, the Kavli Prize

Kavli Prize

The Kavli Prize was established in 2005 through a joint venture between the Norwegian Academy of Science and Letters, the Norwegian Ministry of Education and Research, and The Kavli Foundation...

for Nanoscience in 2010.

Since then, his group’s results include the invention of quantum corrals, discovery of the quantum mirage

Quantum mirage

In physics, a quantum mirage is a peculiar result in quantum chaos. Every system of quantum dynamical billiards will exhibit an effect called scarring, where the quantum probability density shows traces of the paths a classical billiard ball would take...

effect, demonstration of a fundamentally new way to transport information through a solid utilizing modulated quantum states, the demonstration of nanometer-scale logic circuits based on molecular cascades, and invention of spin excitation spectroscopy. Most recently, milestones made by the researchers in Eigler's historic lab include the ability to measure the magnetic properties of individual atoms and the ability to measure the force it takes to move individual atoms.

Eigler received both his bachelor's and doctorate degrees from the University of California San Diego and was named its Outstanding Alumnus of the year in 1999. He has been recognized for his accomplishments with the Davisson-Germer Prize awarded by the American Physical Society, the Dannie Heineman Prize awarded by the Göttingen Academy of Sciences, the Newcomb-Cleveland Prize awarded by the American Association for the Advancement of Science, the Grand Award for Science and Technology awarded by Popular Science Magazine, and numerous honorary lectureships including the Gordon Research Conference's Alexander M. Cruikshank Lectureship in Physical Sciences, the Bethe Lectureship at Cornell University

Cornell University

Cornell University is an Ivy League university located in Ithaca, New York, United States. It is a private land-grant university, receiving annual funding from the State of New York for certain educational missions...

, the Loeb Lectureship at Harvard University

Harvard University

Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...

, the Bragg Lectureship at University College London and a Regents Lectureship at the University of California Los Angeles. In 2002 he received an honorary doctorate from the Technical University of Delft. He is a fellow of the American Physical Society

American Physical Society

The American Physical Society is the world's second largest organization of physicists, behind the Deutsche Physikalische Gesellschaft. The Society publishes more than a dozen scientific journals, including the world renowned Physical Review and Physical Review Letters, and organizes more than 20...

and the American Association for the Advancement of Science

American Association for the Advancement of Science

The American Association for the Advancement of Science is an international non-profit organization with the stated goals of promoting cooperation among scientists, defending scientific freedom, encouraging scientific responsibility, and supporting scientific education and science outreach for the...

. In 2004 he was elected a member of the Max Planck Society

Max Planck Society

The Max Planck Society for the Advancement of Science is a formally independent non-governmental and non-profit association of German research institutes publicly funded by the federal and the 16 state governments of Germany....

, Germany’s most prestigious scientific organization. In 2007 he was appointed a Distinguished Visiting Fellow at the Harvard University School of Engineering and Applied Sciences. He was named an IBM Fellow in 1993, the highest technical honor in the IBM Corporation.

Eigler currently serves on the advisory boards of the Canadian Institute for Advanced Research (CIFAR) Nanoelectronics Program, the Oak Ridge National Laboratories Center for Nanophase Materials Sciences

Center for Nanophase Materials Sciences

The Center for Nanophase Materials Sciences was the first to open of the five Nanoscale Science Research Centers the United States Department of Energy sponsors. The Center's location is in Oak Ridge, Tennessee...

(CNMS), New Zealand's MacDiarmid Institute for Advanced Materials and Nanotechnology, the University of California Microelectronics Innovation and Computer Research Opportunities (MICRO) program, the Harvard University Nanoscale Science and Engineering Center (NSEC), and the Swiss National Center of Competence in Research (NCCR) Nanoscale Science program.

In addition to his professional pursuits, Eigler has been building his skills as a trainer of service dogs, specializing in dogs that assist the mobility impaired. The IBM Corporation has allowed him to utilize the Almaden Research Center as a real-world training ground for his dogs. His dogs-in-training are a regular sight at Almaden; because one or both of them is nearly always with him, they have been included in New York Times and San Francisco Chronicle feature stories on IBM Research.

During a lecture at Cornell University in 2005, he operated a scanning tunneling microscope over the internet.

Research Highlights

Low Temperature Scanning Tunneling Microscopy:

In the summer of 1984, as a postdoc at Bell Labs working in Gene Golovchenko’s group, Don Eigler set out to build and operate an ultra-high-vacuum low-temperature Scanning Tunneling Microscope (UHV-LT-STM). At that time, groups around the world were struggling with room temperature STMs. Only Gerd Binnig

Gerd Binnig

Gerd Binnig is a German physicist, and a Nobel laureate.He was born in Frankfurt am Main and played in the ruins of the city during his childhood. His family lived partly in Frankfurt and partly in Offenbach am Main, and he attended school in both cities. At the age of 10, he decided to become a...

had achieved atomic resolution.

Eigler was certain about the potential for scientific discovery that a low temperature STM would possess and was particularly interested in doing site-specific vibrational spectroscopy of adsorbates (accomplished 14 years later in 1998 by Wilson Ho’s group). By late 1985, he had successfully demonstrated atomic resolution images of Si (111) at 4K and had glimpsed some of the potential of a low temperature STM. While this work did not lead to a publication, it established his position in the scanned probe community and demonstrated the power of LT-STMs. In Eigler’s view, this remains one of his most important scientific contributions.

Atom Manipulation:

In 1989, three years after joining IBM’s Almaden Research Center, Eigler and colleague Erhard Schweitzer demonstrated the ability to position individual atoms with atomic precision using a low-temperature STM. This accomplishment, published in Nature, resulted in worldwide recognition by the media. A recent book on nanotechnology (“The Next Big Thing is Really Small” by Jack Uldrich) identifies this accomplishment as the birthing of nanotechnology and likens it to the first powered flight by the Wright brothers. This work remains his most important and most widely known accomplishment. Its importance is two-fold: 1) It marks a milestone in the ability to structure the world around us, and 2) by allowing the construction of atomically-precise structures, atom manipulation greatly broadens the scope of experimentation with the STM.

The Atom Switch:

Shortly after discovering how to manipulate atoms with the sliding process, Eigler, along with colleagues Chris Lutz and William Rudge discovered a new method for manipulating atoms in which a voltage pulse applied to the tip of the STM results in the transfer of an adsorbed atom from the sample surface to the tip of the STM. The atom may then be carried to a new location and deposited on the surface by a reverse polarity voltage pulse. They then demonstrated an atomic-scale two-terminal switch by showing that the reversible transfer of the atom between the tip and surface resulted in a reversible change in conductance of the tunnel junction. This is the smallest switch built to date. This work was published in Nature and received substantial press coverage.

Standing Waves in the Cu (111) Surface State Density:

In 1993, Mike Crommie

Michael F. Crommie

Michael F. Crommie is an American physicist, a professor of physics at the University of California, Berkeley.-Biography:...

, Lutz and Eigler published a paper in Nature that reported the observation of standing waves in the 2D electron gas formed from the surface-state electrons of the Cu (111) surface. This provided a quantitative tool for learning how these electrons were interacting with their environment and provided compelling images of the wave properties of electrons. It stimulated research by several other groups into the lifetime of surface-state electrons, the scattering of surface state electrons at point defects and step edges, and served as a springboard for Eigler and team’s subsequent research into Quantum Corrals, Quantum Mirages and Molecule Cascades.

Quantum Corrals:

In 1993, Crommie, Lutz and Eigler published a paper in Science in which they showed quantum confinement of Cu (111) surface-state electrons to so-called “Quantum Corrals:” structures built from adatoms

Adatoms

An adatom is an atom that lies on a crystal surface, and can be thought of as the opposite of a surface vacancy. This term is used in surface chemistry, when describing single atoms lying on surfaces and surface roughness. The word is a contraction of "adsorbed atom"...

using atomic manipulation processes. Aside from showing that they could quantitatively account for the energies and density distribution of the quantum states in the interior of the corral, this opened the door to a new kind of engineering: the engineering of the spatial and energetic distribution of quantum states on the surface of a metal. This work received widespread attention in the media and resulted in images which have achieved icon status. This work also played a pivotal role in their discovery of the “Quantum Mirage” effect.

The Local Effect of a Magnetic Impurity on a Superconductor:

In 1997, Ali Yazdani, Barbara Jones, Lutz, Crommie and Eigler published a paper in Science in which they demonstrated the ability to map out the spatial dependence of the mid-gap state surrounding a magnetic impurity on the surface of a superconductor. This work showed a surprisingly local state which Barbara demonstrated could be analytically accounted for. It demonstrated that the meat of the superconductor’s response to the magnetic impurity occurred on a length-scale that is short compared to the coherence length. This was the first experiment to show the utility of the STM in investigating the local response of a superconductor to a point-defect. This line of investigation was later taken up by Seamus Davis and brilliantly applied to the investigation of High Tc superconductivity.

Quantum Mirage:

In 2000, Hari Manoharan, Lutz and Eigler published a paper in Nature in which they demonstrated that the Kondo resonance signature of a magnetic adatom located at one focus of an elliptically shaped quantum corral could be projected to, and made large at the other focus of the corral. While resulting in widespread publicity and stimulating some discussion about whether any magnetization was projected, the real importance of the mirage effect came from understanding it as due to the local modulation of eigenmodes of a resonator. This led to a very fundamental patent for information transport via modulated quantum states (U.S. Patent 6,441,358) and the subsequent demonstration of multi-channel information transport through the same volume of space using quantum states specifically engineered to achieve this goal which was published in the Philosophical Transactions of the Royal Society.

Molecule Cascades:

In 2002, Andreas Heinrich, Lutz, Jay Gupta and Eigler published a paper in Science in which they demonstrated the ability to fabricate and operate novel logic circuits made from carbon monoxide molecules assembled into meta-stable arrays on a Cu (111) surface. They demonstrated all of the logic elements and circuits required to perform the one-time calculation of an arbitrary logic function. Aside from its novelty and demonstration that the motion of the CO molecules was due to tunneling, the significance in the accomplishment can be thought of as three-fold: 1) these were the first computational structures in which all of the components necessary for computation were at the nanometer length scale, 2) it pointed Eigler and his colleagues in the direction of magnetic-cascade based computation, and 3) it served to underscore the importance of investigating alternative modes of computation in nanometer-scale structures.

Single-Atom Spin-Excitation Spectroscopy:

In 2004, Heinrich, Lutz, Gupta and Eigler published a paper in Science in which they demonstrated the ability to measure the energy required to flip the spin of a single atom, the so-called “Zeeman Energy,” through inelastic electron tunneling spectroscopy. Achieving this goal required the design, construction and debugging of a one-of-a-kind UHV STM that operates at temperatures as low as 0.5 kelvin and in magnetic fields as high as 7 teslas. This was necessary in order to achieve the spectroscopic resolution required to measure a spin flip. The importance of this work is that it provides a non-perturbative atomic-resolution means to measure a fundamental magnetic property. Combined with the STM’s imaging, spectroscopic and atom manipulation modes, we now have a way to build and interrogate the magnetic properties of novel nanometer-scale structures. Eigler anticipates that this capability will play a pivotal role in helping to achieve the next goal – Spin Cascade Computation.

Publications

1. “Clarification of the Measurement of Surface Spin Relaxation via Conduction Electron Spin Resonance,” D.M. Eigler and S. Schultz, Solid State Comm. 44, 1565 (1982).

2. “Measurement of the Conduction Electron Spin Scattering Cross Sections of Rare Gas Adsorbates on Lithium,” D.M. Eigler and S. Schultz, J. Vac. Sci. Tech. A2, 813 (1984).

3. “Measurement of Conduction Electron Spin Relaxation Due to Rare Gases Physisorbed on a Lithium Surface,” D.M. Eigler and S. Schultz, Phys. Rev. Lett. 54, 1185 (1985).

4. “Cryogenic Piezoelectric Displacement Tester,” B. Yurke, P.G. Kaminsky, and D.M. Eigler, Cryogenics 26, 435 (1986).

5. “Positioning Single Atoms With a Scanning Tunneling Microscope,” D.M. Eigler and E.K. Schweizer, Nature 344, 524 (1990).

6. “Imaging Xe With a Low-Temperature Scanning Tunneling Microscope,” D.M. Eigler, P.S. Weiss, E.K. Schweizer, and N.D. Lang, Phys. Rev. Lett. 66, 1189 (1991).

7. “An Atomic Switch Realized With the Scanning Tunneling Microscope,” D.M. Eigler, C.P. Lutz and W.E. Rudge, Nature 352, 600 (1991).

8. “Atomic and Molecular Manipulation With the Scanning Tunneling Microscope,” Joseph A. Stroscio and D. M. Eigler, Science 254, 1319 (1991).

9. “Atomic Manipulation With the Scanning Tunneling Microscope,” Peter Zeppenfeld, Donald M. Eigler and Erhard K. Schweizer, La Recherche 23, 360 (1992).

10. “Manipulating Atoms and Molecules With a Scanning Tunneling Microscope,” P. Zeppenfeld, C. P. Lutz and D. M. Eigler, Ultramicroscopy 42–44, 128 (1992).

11. “Adsorption and Accommodation of Xe on Pt(111),” P.S. Weiss and D.M. Eigler, Phys. Rev. Lett. 69, 2240 (1992).

12. “An Atomic Switch Realized With the Scanning Tunneling Microscope,” D.M. Eigler, C.P. Lutz and W.E. Rudge, Access 6, No.2, 1 (1992)

13. “Atom Manipulation With the Scanning Tunneling Microscope,” D.M. Eigler, accepted for publication in the Proceedings of the NATO Advanced Studies Institutes: Atomic and Nanoscale Modification of Materials, Kluwer Academic Publisher.

14. “What is Underneath? Moving Atoms and Molecules to Find Out,” P.S. Weiss and D.M. Eigler, Proceedings of the NATO Advanced Studies Institutes: Manipulation of Atoms Under High Fields and Temperatures—Applications, Kluwer Academic Publisher.

15. “Site Dependence of the Apparent Shape of a Molecule in STM Images: Benzene on Pt(111),” P.S. Weiss and D.M. Eigler, Phys. Rev. Lett. 71, 3139 (1993).

16. “Imaging Standing Waves in a Two-dimensional Electron Gas,” M.F. Crommie, C.P. Lutz and D.M. Eigler, Nature 363, 524 (1993).

17. “Spectroscopy of a Single Adsorbed Atom,” M.F. Crommie, C.P. Lutz and D.M. Eigler, Phys. Rev. B. Rap. Comm. 48, 2851 (1993).

18. “Confinement of Electrons to Quantum Corrals on a Metal Surface,” M.F. Crommie, C.P. Lutz and D.M. Eigler, Science 262, 218–220 (Oct. 8, 1993).

19. “Scattering and Absorption of Surface Electron Waves in Quantum Corrals,” E.J. Heller, M.F. Crommie, C.P. Lutz and D.M. Eigler Nature 369, 464 (1994).

20. “Devices and Desires,” Louis Brus and Don Eigler, Nature (News & Views) 369, 273 (May 26, 1994).

21. “Waves on a Metal Surface and Quantum Corrals,” M.F. Crommie, C.P. Lutz, D.M. Eigler and E.J. Heller, Surf. Rev. Lett. 2, 127 (1995).

22. “Quantum Corrals,” M.F. Crommie, C.P. Lutz, D.M. Eigler and E.J. Heller, Physica D83, 98 (1995).

23. “Quantum Confinement of Surface States by Adsorbate Atoms,” M.F. Crommie, C.P. Lutz, D.M. Eigler and E.J. Heller, Proceedings of the 134th WE-Heraeus Seminar, Bad Honnef 1994, E. Bertel and M. Donath (eds.), World Scientific Publishing Co. (London 1995).

24. “Mesoscopic Systems and Quantum Corrals,” E.J. Heller, M.F. Crommie, C.P. Lutz and D.M. Eigler, AIP Conf. Proc. 360, 3–17 (1995).

25. “Quantum Interference in 2D Atomic Scale Structures,” M.F. Crommie, C.P. Lutz, D.M. Eigler and E.J. Heller, Surf. Sci. 361–362, 864–9 (July 20, 1996).

26. “Off-Resonance Conduction Through Atomic Wires,” Ali Yazdani, D.M. Eigler and N.D. Lang, Science 272, 1921–24 (1996).

27. “Electrical Resistance of One Or Two Atoms,” Ali Yazdani, D.M. Eigler and N.D. Lang, published in Atomic and Molecular Wires, pgs. 159–168, C. Joachim and S. Roth (eds.), Kluwer Academic Publishers (1997).

28. “Probing the Local Effects of Magnetic Impurities on Superconductivity,” Ali Yazdani, B.A. Jones, C.P. Lutz, M.F. Crommie, D.M. Eigler, Science 275, 1767–1770 (1997).

29. “A New View From a Cold STM,” D.M. Eigler, Solid State Commun. 107, No.11, 711 (1998).

30. “Impurity Induced Bound Excitations on the Surface of Bi2Sr2CaCu2O8,” A. Yazdani, C.M. Howald, C.P. Lutz, A. Kapitulnik and D.M. Eigler, Phys. Rev. Lett. 83, 176 (1999).

31. “Quantum Mirages: The Coherent Projection of Electronic Structure,” H.C. Manoharan, C.P. Lutz and D.M. Eigler, Nature 403, 512 (2000).

32. “Scattering Theory of Kondo Mirages and Observation of Single Kondo Atom Phase Shift,” Gregory A. Fiete, Jesse S. Hersch, Eric J. Heller, H.C. Manoharan, C.P. Lutz and D.M. Eigler, Phys. Rev. Lett. 86, 2392 (2001).

33. “Molecule Cascades,” A.J. Heinrich, C.P. Lutz, J.A. Gupta & D.M. Eigler, Science 298, 1381 (2002).

34. “Molecule Cascades: Nanometer-Scale Molecular Architectures that Compute,” C.P. Lutz, A.J. Heinrich, J.A. Gupta and D.M. Eigler. Transducers ’03. 12 International Conference on Solid State Sensors, Actuators and Microsystems. Digest of Technical papers, 2003 P5-8 vol. 1.

35. “Quantum Tunneling of Carbon Monoxide in Molecule Cascades,” A.J. Heinrich, C.P. Lutz, J.A. Gupta and D.M. Eigler, Advances in Solid State Physics, 43, Bernhard Kramer ed., Springer, Heidelberg, Germany, 2003.

36. “Understanding the Hopping Mechanism of Molecule Cascades at Very Low Temperatures,” A.J. Heinrich, C.P. Lutz, J.A. Gupta and D.M. Eigler, AIP Conf. Proc. (USA) no. 696 2003 P100-8.

37. “Information Transport and Computation in Nanometer-Scale Structures,” D.M. Eigler, C.P. Lutz, M.F. Crommie, H.C. Manoharan, A.J. Heinrich and J.A. Gupta, Philosophical Transactions of the Royal Society A, vol. 362 no 1819, P 1135-1147, June 15, 2004.

38. “Single-Atom Spin-Flip Spectroscopy,” A.J. Heinrich, J.A. Gupta, C.P. Lutz and D.M. Eigler, Science 306, 466 (2004).

39. “Strongly Coverage-Dependent Excitations of Adsorbed Molecular Hydrogen,” J.A. Gupta, C.P. Lutz, A.J. Heinrich and D.M. Eigler, Phys. Rev. B. 71, 115416-115420 (2005).

40. “Measurement of fast electron spin relaxation times with atomic resolution,” S. Loth, M. Etzkorn, C.P. Lutz, D.M. Eigler, A.J. Heinrich, Science 329, 1628-1630 (2010).

External links

The source of this article is wikipedia, the free encyclopedia. The text of this article is licensed under the GFDL.