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TIME-RESOLVED X-RAY DIFFRACTION INVESTIGATION OF SUPERHEATING-MELTING OF
 

Summary: TIME-RESOLVED X-RAY DIFFRACTION
INVESTIGATION OF SUPERHEATING-MELTING OF
CRYSTALS UNDER ULTRAFAST HEATING
Sheng-Nian Luo,1
Damian C. Swift,1
Thomas Tierney,1
Kaiwen Xia,2
Oliver Tschauner,3
and Paul D. Asimow4
1
P-24 Plasma Physics, Los Alamos National Laboratory, Los Alamos, NM 87545
2
Graduate Aeronautical Laboratories, California Institute of Technology, Pasadena, CA 91125
3
Department of Physics, University of Nevada, Las Vegas, NV 89154
4
GPS Division, California Institute of Technology, Pasadena, CA 91125
Abstract. The maximum superheating of a solid prior to melting depends on the effective dimen-
sionless nucleation energy barrier, heterogeneities such as free surfaces and defects, and heating rates.
Superheating is rarely achieved with conventional slow heating due to the dominant effect of hetero-

  

Source: Asimow, Paul D. - Division of Geological and Planetary Sciences, California Institute of Technology,

 

Collections: Geosciences