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Reise in die Nanowelt Wolfgang Häfner Physikalische Chemie II, Universität Bayreuth Bayreuth
1 Meter 1 Millimeter1 Mikrometer1 Nanometer Atome
Sir Synge (Dublin) an Albert Einstein (1928)... I do not think such a thing would be beyond the capacities of a clever experimentalist...
Probe Spitze Scanning Tunneling Microscopy (STM) Gerd Binnig, Heinrich Rohrer Nobelpreis 1986 Lösung 1: Gruppe 1:
Scanning Tunneling Microscopy (STM)
Lösung 2: Gruppe 2: (Scanning) Electron Microscopy (SEM) Ameise.
THE ELECTRIC SQUEEZE. Carbon Pierre Curie Scanning tunneling microscope Gerd Binnig (left) and Heinrich Rohrer, inventors Photo: IBM. Used by permission.
Matter Molecules Atoms protons + neutrons + electrons quarks and leptons Molecules Atoms protons + neutrons + electrons Realm of Chemists.
Atom The “smallest piece” of matter that still keeps all the properties of the element (we will talk about properties later) All matter is composed of.
History of the Microscope. History of Microscope 1000 A.D. – First visual aid was created that was a sphere that magnified by being set on objects
Slide # 1 Common scanning probe modes Basic mode: surface morphology –Contact mode –Non-contact –Tapping mode Secondary modes: –Surface potential –Capacitance.
ФИЗИКО-ХИМИЧЕСКИЕ ОСНОВЫ НАНОТЕХНОЛОГИИ Профессор Н.Г. Рамбиди.
Scanning Tunneling Microscopy Adarsh Pyarelal Department of Physics Reed College Portland, Oregon, USA.
STM / AFM Images Explanations from
Timeline of Microscope Technology. Middle Ages - Castle Battles? - Source of glass? - Uses for glass? Timeline of microscope technology.
STM Scanning Tunneling Microscope Light is Too Large (Activity) Developed by Malory M. Peterson, Summer 2006 Nanotechnology Grant National Science Foundation.
Methods of point-contact preparation Prof. I.V.Krive lecture presentation Address: Svobody Sq. 4, 61022, Kharkiv, Ukraine, Rooms. 5-46, 7-36, Phone: +38(057)707.
The Microscope. Microscope History 14 th Century The art of grinding lenses is developed in Italy and spectacles are made to improve eyesight.
Unit 4: Cells Learning Goal A: Describe the cell theory and how it relates to the nature of science.
Tools of a Biologist MICROSCOPY Two factors play an important role in microscopy: 1. Magnification compares real size of a specimen with the one viewed.
Atomic Force Microscope (AFM) STM makes use of tunneling current It can only image conducting or semiconducting surfaces Binnig, Quate, and Gerber invented.
EEW508 Structure of Surfaces Surface structure Rice terrace.
Mohammad Tavakoli 4 th Mini-Seminar in Physiology of Brain & Cognition Instructor: Dr. Gharibzadeh Spring 2008.
Nanotechnology Thomas Abraham. “There’s plenty of room at the bottom” The physicist Richard Feynmann is credited with inspiring the field of nanotechology.
Applications of Diffraction and Interference of Light By: Karen Cooper.
BY: Gabby Jones, Bridget Crawford, and Emily Baker.
Lectures 24: Scanning Tunneling Microscopy w 12 =1 w 12 ~exp(-k * d) full transmission for almost completely open channels blocked channels.
Dynamics theory and experiment 1. Atomic motion and energy flow in the reacting molecules. 2. Atomic motion and energy flow in the reacting surface/substrate.
Microscopes. Simple Light Microscopes Contains one lens Uses light Used by Anton van Leeuwenhoek in the 1600s.
Chapter 7 Section 1 Cells. The Cell Theory The Cell Theory states that all organisms are composed of similar units of organization called cells.
Rutil (TiO 2 ) Martin Forstmeier, Didaktik der Chemie, Universität Bayreuth.
ATOMIC FORCE MICROSCOPE Presented By Er. RANJAN CHAKRABORTY, B.Tech; A Student in M.Tech (VLSI & MICROELECTRONICS) 1 st Year, 2 nd Semester.
What do we call these things? 6 Atoms which happen to be of 3 different elements.
1 Cutting it down to size activity. What is Nanoscience? The study of matter on the “nanometer” scale. A nanometer is one billionth (10 –9 ) of a meter.
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