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Title: Gas mixing system for imaging of nanomaterials under dynamic environments by environmental transmission electron microscopy

A gas mixing manifold system that is capable of delivering a stable pressure stream of a desired composition of gases into an environmental transmission electron microscope has been developed. The system is designed to provide a stable imaging environment upon changes of either the composition of the gas mixture or upon switching from one gas to another. The design of the system is described and the response of the pressure inside the microscope, the sample temperature, and sample drift in response to flow and composition changes of the system are reported.
Authors:
 [1] ; ;  [2] ;  [3] ;  [4]
  1. School of Materials Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907 (United States)
  2. Forney Hall of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907 (United States)
  3. Computer Sciences, University of Applied Sciences of Northeastern Switzerland, 4132 Muttenz, Switzerland and Department of Physics, Yeshiva University, New York, New York 10016 (United States)
  4. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973 (United States)
Publication Date:
OSTI Identifier:
22254985
Resource Type:
Journal Article
Resource Relation:
Journal Name: Review of Scientific Instruments; Journal Volume: 85; Journal Issue: 3; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; IMAGE PROCESSING; IMAGE SCANNERS; MEASURING METHODS; MICROSCOPES; NANOSTRUCTURES; TRANSMISSION ELECTRON MICROSCOPY