| Speedy X-ray
bursts reveal atomic action
Zapping a
semiconductor with ultrashort X-ray pulses, researchers have directly
observed the breakdown of atomic order as a crystal melts.
References:
Siders, C.W., et
al. 1999. Detection of nonthermal melting by ultrafast X-ray
diffraction. Science 286(Nov. 12):1340.
Further Readings:
Peterson, I. 1999.
Chemistry Nobel spotlights fast reactions. Science News 156(Oct.
16):247.
Sources:
Michael W.
Downer
University of Texas
Department of Physics
C1600
Austin, TX 78712
Craig W. Siders
University of California, San Diego
Department of Chemistry and Biochemistry
9500 Gilman Drive, MSC 0339
La Jolla, CA 92093-0339
From Science
News, Vol. 156, No. 20, November 13, 1999, p. 310. Copyright ©
1999, Science Service. |