The new wave in shock waves
Article Abstract:
Experiments on laser-driven shock waves formed at high repetition rates and the shock temperature, pressure, velocity and shock front rise time resulting from shock waves were conducted using an anthracene nanogauge. Shock waves with rise times of <25 ps are capable of creating irreversible shock compression and a few nanoseconds of rise times. Laser shock wave experiments are used in research into large-amplitude molecular dynamics of molecular materials.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1998
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Fast spectroscopy of laser-initiated nanoenergetic materials
Article Abstract:
The nanoenergetic materials consisting of aluminum nanoparticle (50 - 200 nm) aggregates termed ALEX plus nitrocellulose (NC) oxidizer are studied by ultrafast spectroscopy following 100 ps laser flash-heating. The nanosecond-duration burst of light accompanying ignition triggered by vaporizing ALEX consists of a continuum peaked near 500 nm plus features associated with electronically excited Al atoms and hot excited AlO.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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Ultrafast dynamics of self-assembled monolayers under shock compression: Effects of molecular and substrate structure
Article Abstract:
Laser-driven ~ 1GPa shock waves are used to dynamically compress self-assembled monolayers consisting of octadecanethiol on Au and Ag, and pentanedecanethiol and benzene mercaptan on Au. The implications of the observed large-amplitude monolayer dynamics for lubrication under extreme conditions of high strain rates are discussed briefly.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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