诺贝尔获奖者演讲(英文)(PPT) .ppt
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1、,FROM EINSTEIN TO NANOTECHNOLOGY,BAOTOU,APRIL 26,2011,THE MAGIC AND BEAUTY of(NANO-)SMALL,or,WORKING AT AN EVER SMALLER SCALE SHAPED THE,TECHNICAL REVOLUTIONS OF THE PAST,TECHNICAL REVOLUTIONS&MINIATURIZATION,1905“ANNUS MIRABILIS”or the“WONDER YEAR”,Dualism Wave Photon/Interaction of light with matt
2、er,DIFFUSION:DIFF d2,A FIRST DIRECT NANO PROPERTY“,EVERYTHING EMERGES FROM THE nm SCALE AND IS,IN NATURE,SCIENCE AND TECHNOLOGY ON THE NANOMETER SCALE,NEW SCIENTIFIC FRONTIERPUSHING THE LIMITS TO THE EVER SMALLER,EMERGED IN A NATURAL WAY AS A,MINIATURIZATION from MICRO to NANO“TOP-DOWN”,From simple
3、MOLECULES to large FUNCTIONAL SUPRA-MOLECULES“BOTTOM-UP”,BIOLOGY as HYBRID of BOTH APPROACHES,Atoms&Molecules become real objects,1905“ANNUS MIRABILIS”or the“WONDER YEAR”,Dualism Wave Photon/Interaction of light with matter,PROGRESS OF SCIENCE or HOW BREAKTHROUGHS COME ABOUT,PROBLEM(and CURIOSITY)DR
4、IVEN,DISCOVERY(SERENDIPITY,unexpectedly),For BOTH of THEM:YOU NEVER KNOW“WHAT;WHEN,and by WHOM”,SEQUENCE OF THINKING,WHAT WOULD CHANGE IF I COULD DO IT?WHAT IS IMPORTANT THAT I DO IT?,HOW CAN I DO IT?,ISSUES AND CHALLENGES,NANO SCALE MATERIAL SCIENCELOCAL GROWTH,NANO-PARTICLES,NANO FOR NANO,THE CENT
5、RAL CHALLENGE OF NANOSCALE MATERIAL SCIENCE:,GROWTH&FABRICATION,OF GIVEN STRUCTURES OR COMPONENTS,AT GIVEN LOCATIONS,FOR GIVEN FUNCTIONS,NANO SCALE MATERIAL SCIENCELOCAL GROWTH,NANO-PARTICLES,NANO-INTERFACEINTERFACE AS ACTIVE COMPONENT,ISSUES AND CHALLENGES,NINTERFACE=NPHASE(NPHASE-1),NON-INVASIV“-F
6、UNCTIONALITY,PROTECTING-TRANSPARENT,INTERFACE,THE FACE OF ACTION,THE TUNNELING INTERFACE,molecular switch,MEYER,IBM ZURICH RESEARCH,DECOUPLES ELECTRONIC WAVEFUNCTIONS FROM SUBSTRATE,ALLOWS ELECTRON TRANSFER TO SUBSTRATE,Electronic properties of atoms/molecules-Catalytic processes on insulators-Metal
7、lic nanostructures,NINTERFACE=NPHASE(NPHASE-1),NON-INVASIV“-FUNCTIONALITY,CONTACTS:CLASSICAL,QUANTUM ELECTRICAL,CHEMICAL,MECHANICAL,PROTECTING-TRANSPARENT,COLORFUL-FLAT,INTERFACE,THE FACE OF ACTION,INTERFACE,THE FACE OF ACTION,NINTERFACE=NPHASE(NPHASE-1),NON-INVASIV“-FUNCTIONALITY,CONTACTS:CLASSICAL
8、,QUANTUM ELECTRICAL,CHEMICAL,MECHANICAL,PROTECTING-TRANSPARENT,COLORFUL-FLAT,INTERFACE SCIENCE:THE MODERN MATERIALS SCIENCE,FUNCTIONALACTIONFUNCTIONAL,NANO SCALE MATERIAL SCIENCELOCAL GROWTH,NANO-PARTICLES,THE SOLID LIQUID INTERFACEAMBIENT,NATURE,ELECTROCHEMISTRY,NANO-INTERFACEINTERFACE AS ACTIVE CO
9、MPONENT,ISSUES AND CHALLENGES,LIQUID-SOLID,THE POWER INTERFACE,INDISPENSIBLE FOR:,ASSEMBLY SCENARIOS,BIOLOGY/MEDICINE,FUNCTIONALIZATION OF SURFACES,EASE THE SURFACE TRAFFIC CONGESTION“,NANO SMALL ULTRAHIGH,DENSITIES:COMPONENTS,ENERGY,INTENSITIES:CURRENTS,FLUXES,FIELDS,SPEED:MECHANICS,RATES,SENSITIVI
10、TY:MOLECULAR RECOGNITION,NANO SMALL:SMALL NUMBERS,NANO SCALE MATERIAL SCIENCELOCAL GROWTH,NANO-PARTICLES,THE SOLID LIQUID INTERFACEAMBIENT,NATURE,ELECTROCHEMISTRY,NANO-INTERFACEINTERFACE AS ACTIVE COMPONENT,THE 1/N ISSUESMALL N,ISSUES AND CHALLENGES,THE 1/N ISSUE,ps I 100 A;R contact 1 k Q 10 J,(V 1
11、00mV)ns I 100 nA Q 10 pJ,(V 100V),FLUCTUATION OF CURRENTS:1/N 3%N 1000 ELECTRONS,FLUCTUATION OF DOPANTS:1/N 3%N 1000 DOPANTS,THE POSITIONS OF THE DOPANTS BECOME IMPPORTANT:ORDERED DOPING ATOMS,DOPING LEVEL:1020 cm-3,VOLUME:30 x30 x30 nm3,CONTROL by COUNTING,NANO SMALL ULTRAHIGH,DENSITIES:COMPONENTS,
12、ENERGY,INTENSITIES:CURRENTS,FLUXES,FIELDS,SPEED:MECHANICS,RATES,SENSITIVITY:MOLECULAR RECOGNITION,LARGE SYSTEMS:ULTRALARGE NUMBERS OF COMPONENTS,NANO SMALL:SMALL NUMBERS,NANO SCALE MATERIAL SCIENCELOCAL GROWTH,NANO-PARTICLES,THE SOLID LIQUID INTERFACEAMBIENT,NATURE,ELECTROCHEMISTRY,NANO-INTERFACEINT
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