Journal
APPLIED PHYSICS EXPRESS
Volume 4, Issue 5, Pages -Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/APEX.4.055201
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Funding
- NIH [1S10RR23057]
- CNSI at UCLA
- U.S. Department of Energy [DE-AC02-05CH11231]
- The American Chemical Society
- NSF [0748880]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0748880] Funding Source: National Science Foundation
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We present a technique based on scanning transmission electron microscopy (STEM) that is capable of probing nanobubble dynamics with nanometer spatial resolution. A vacuum-tight vessel holds a sub-micrometer layer of water between two electron-transparent dielectric membranes. Electrical current pulses passing through a platinum wire on one of the membranes inject sufficient heat locally to initiate single bubble formation. In the absence of power input, all bubbles are observed to be unstable against collapse, but the STEM beam alone can cause a shrinking bubble to grow. (C) 2011 The Japan Society of Applied Physics
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