Nanoprobe Network » Atomic Force Microscopy http://nanoprobenetwork.org An interactive, international virtual community dedicated to the science and technology of nano and bio scanning probes Fri, 03 Feb 2012 03:11:52 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Bimodal AFM Tutorial March 13 at the Multifrequency AFM Conference http://nanoprobenetwork.org/events/bimodal-afm-tutorial-march-13-at-the-multifrequency-afm-conference http://nanoprobenetwork.org/events/bimodal-afm-tutorial-march-13-at-the-multifrequency-afm-conference#comments Wed, 26 Jan 2011 17:03:57 +0000 tmehr http://nanoprobenetwork.org/?p=859 The need for higher compositional resolution and sensitivity has led to exploration of imaging with higher harmonics and/or flexural or torsional cantilever modes.  More recently, the AFM is experiencing the evolution from single to multi-frequency excitation and detection schemes. The Bimodal AFM Tutorial, held the afternoon of March 13, 2011 in conjunction with the 3rd Multifrequency AFM Conference, will cover a variety of topics by leading researchers in the field.  Demonstration on AFM instrumentation will occur after the lectures. The tutorial is free to all conference attendees. Seating is limited.

Syllabus

15:00 Introduction to Bimodal AFM
Roger Proksch, Asylum Research

• History, experimental setup

• Lockin amplifiers, amplitude and phase measurements

• Role of feedback

• Calibration issues and solutions

• Application examples from materials, food science,polymers and biology

15:45 Theory of Bimodal AFM
Elena Tomás-Herruzo, IMM, CSIC

• Euler-Bernouilli cantilever beam theory

• Energy virial and dissipation

• Theory of bimodal contrast in air

• Conservative and non-conservative regimes

• Contrast in different channels – topography, amplitude, and phase

16:30 Break

17:00 VEDA as a Tool for Understanding and Exploring Bimodal AFM
Daniel Kiracofe and Arvind Raman, Purdue University

• Motivation for and introduction to VEDA

• Demonstration of a few of the tools and interacting with the GUI

• How to access and connect to nanohub

• Example simulations including dynamic approach curves example and scanning example

18:00 Bimodal AFM Experiment (live)

Registration and Contact Information

Registration can be found on the conference website at:
http://www.imm.cnm.csic.es/spm/multifrequency/home.html

Class size will be limited to 15 participants. For additional information on the conference and tutorial, contact:
Christian Dietz, christian.dietz@imm.cnm.csic.es

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