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Lecture: Surface Science in the 21st century: dense, wet, fast

Posted: 2016-01-21

Time:Jan. 21st,09:00 AM

Location: 3rd Floor Meeting Room, State Key Laboratory of Catalysis

Lecturer: Prof. Miquel B. Salmeron

Lawrence Berkeley National Laboratory & University of California, Berkeley, USA

Abstract:

Over the past century the science of surfaces has undergone an enormous progress. The atomic and electronic structure, reactivity, and dynamics of many material surfaces have been uncovered. Several Nobel prizes have marked the great accomplishments of our predecessors, from I. Langmuir in 1932 to G. Ertl in 2007. This progress has been fostered and propelled by the continuous development of powerful techniques that have provided atomic and molecular level details of surfaces, adsorption and desorption phenomena, vibration and electronic spectra, electron diffraction and real space imaging by the Scanning Tunneling Microscope. The nature of many techniques has constrained Surface Science to ultra-high vacuum environments. And yet practical surfaces are surrounded by gases and liquids at ambient conditions of pressure and temperature. Under these conditions the surfaces are covered with dense layers of adsorbed molecules. The last two decades have witnessed the development of many new techniques that can operate under ambient conditions, and that can provide spatial and spectroscopic resolution similar to that of vacuum techniques. This new observation window has revealed previously unknown phenomena arising from the adsorption of molecules that interact weakly with the surface that therefore are present in sufficient concentrations only in equilibrium with the gas phase. At relevant ambient temperatures, room temperature and above, many kinetic processes that are frozen at the low temperatures required in vacuum environments are unlocked. In this lecture I will review the physics and chemistry of surfaces with dense layers of adsorbates and new phenomena that derive from this, including hydrogen dissociation reactions on Pd and Ru, dense layers of CO, CO2 and H2 and their effect on the structure of metal surfaces. Prospects for similar studies of the solid-liquid interface, a new frontier in the field, and their impact in environmental science, electrochemistry and energy storage will also be discussed. Finally I will discuss the potential of ultrafast techniques to study dynamic processes with the hope of determining elusive reaction transitions states.

 

 

 

Introduction:

Education

Ph.D. in Physics, Universidad Autonoma de Madrid, Spain, 1975

M.A. in Physics, Université Paul Sabatier, Toulouse, France, 1971

B.A. in Physics, University of Barcelona, Spain, 1967

Professional Experience

2012-present   Senior Scientist and Principla Investigator, Materials Science Divison. LBNL

2008-2012      Director of the Materials Science Division. LBNL

2008           Visiting Professor at the “Institut des Nanosciences de Paris”. Jussieu, Paris. France.

2006-present   Adjunct Professor, Materials Science and Eng. Dept. University of California         Berkeley.

2004-present   Scientific Director of the Imaging and Manipulation Facility of the Molecular         Foundry.

2001           Visiting Professor (3 months). Fritz-Haber Institute, Max-Planck Society, Berlin.

1991-94        Visiting Professor (1 month / year). University of Barcelona, Spain

1990           Senior Scientist, Lawrence Berkeley National Laboratory.

1984-90        Divisional Fellow. Materials and Chemical Sciences Division. LBNL

1983           Visiting Scientist (4 months). Exxon Research Co. New Jersey

1981-84        Professor, Physics Dept. Universidad Autonoma de Madrid

1973-84        Senior Scientist. Spanish National Research Council (CSIC).

1972-73        Assistant Professor of Physics. Universidad Autonoma de Madrid

Honors

2015        Davisson-Germer Prize in Surface Physics. American Physical Society

2010        R&D 100 Award, R&D Magazine

2010        Outstanding Lecturer Award, Pacific Northwest Laboratory

2008        Medard W. Welch Award. American Vacuum Society

2008        Langmuir Lectureship Award. American Chemical Society

2007        Outstanding Performance Award, LBNL.

2004        Klaus Halbach Award for development of Innovative Instrumentation

2003        Fellow of the American Vacuum Society

2001        Outstanding Performance Award, LBNL

1997        Iberdrola Foundation Professor. Universidad Autonoma de Madrid, Spain

1996        Fellow of the American Physical Society

1996        Outstanding Research Award in Materials Chemistry. U.S. Department of Energy

1995        Outstanding Scientific Accomplishment Award in Materials Chemistry. U.S. Dept. of Energy

1995        Nicolas Cabrera Foundation Professor. Universidad Autonoma de Madrid, Spain

1994        Outstanding Performance Award, LBNL

1991        Certificate of Merit in Technology Transfer, LBNL

1990        Federal Laboratory Consortium Award for Technology Transfer Merit

1989        Outstanding Achievements in Technology Transfer, LBNL

Original Publications

500 Journal articles and book chapters.

440 Invited talks, including 30 plenary and keynote lectures.

Patents Held

1. J. Hu, D.F. Ogletree, M. Salmeron and X.-D. Xiao, “Method for Imaging Liquid and Dielectric Materials with Scanning Polarization Force Microscopy.” U.S. Patent No. 5,880,360 (3/9/99)

2. I. Brown, R. MacGill, J. Galvin, D.F. Ogletree and M. Salmeron, “Miniature Pulsed Vacuum Arc Plasma Gun and Apparatus for Thin-Film Fabrication.” U.S. Patent No. 5,841,236 (11/24/98)

3. J. Hu, D.F. Ogletree, M. Salmeron and X.-D. Xiao, “Apparatus for Imaging Liquid and Dielectric Materials with Scanning Polarization Force Microscopy.” U.S. Patent No. 5,744,704 (4/28/98).

4. Jeong Park, D.F. Ogletree and M. Salmeron, “Electronic control of friction in semiconductor surfaces”. U.S. Patent Application No. 60/949,851 (7/14/07)

5. Solution-processed, ultrasensitive UV-Vis-NIR photodetectors from sintered cadmium telleride nanocrystals. ROI submitted. September 2015.

PhD Thesis supervised: 36 students from Physics, Chemistry and Materials Science Departments from various Universities in the US and in Europe

Professional Activities

2011        Member of the Board of Reviewing Editors of AAAS Science

2011        Organizer of the 1 Symposium on Frontier in Catalysis: Symposium on Surfaces and Nanomaterials for

Catalysis through In-situ and Ex-situ Studies. MRS San Francisco, April 25-29, 2011

2009-present     Member Editorial Board of Journal of Physics: Condensed Matter

2009             Organizer of the 31st Annual Symposium on Applied Surface Analysis of the AVS.

2007             Organizer of International Workshop of “Water at interfaces”. Shanghai.

2007             Organizer of High Pressure Photoelectron Spectroscopy Workshop. Berkeley

2004-present     Member Steering Committee, National Center of Electron Microscopy

2004-2006        Member Scientific Advisory Board, Advanced Light Source (Berkeley Synchrotron)

2003-present     Member Editorial Board of Surface Science

2003-present     President of the Scientific Advisory Board, “Institut Catala de Nanotecnologia”. Barcelona, Spain.

2001-03          Scientific Advisor, Autonomous Government of Catalonia, Spain.

2001             Chairman, International Review Committee for FOM Grants, Holland.

2001             International Conference on Scanning Tunneling Microscopy, Program Committee

2000             Member of the Research Award Prizes Committee. Generalitat de Catalunya. Barcelona. Spain

1999             Member, International Review Committee, Austrian Science Fund

1996             MRSEC Panel, National Science Foundation, Washington, D.C.

1994-present     Member, Editorial Advisory Board, Tribology Letters

 

 

 

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