Home

About

Advanced Search

Browse by Discipline

Scientific Societies

E-print Alerts

Add E-prints

E-print Network
FAQHELPSITE MAPCONTACT US


  Advanced Search  

 
Infrared studies in free standing crystals: N,O-doped Xe and Ar W. G. Lawrence and V. A. Apkarian
 

Summary: Infrared studies in free standing crystals: N,O-doped Xe and Ar
W. G. Lawrence and V. A. Apkarian
Department of Chemistry, University of California, Irvine, California 92717
(Received March 16 1992; accepted 28 April 1992)
Infrared studies in N20-doped free-standing crystals of Xe and Ar are reported. NzO isolates
as monomers in Xe; however, it segregates by clustering in Ar. An anomalous
temperature dependence of monomeric absorption intensities is observed in Xe, suggesting a
strong guest-host electronic interaction.
I. INTRODUCTION
Rare-gas crystals grown in retractable molds, under
pressure and temperature conditions that allow annealing
of the solids during growth, have become known as free-
standing crystals (FSC). While polycrystalline, these sol-
ids are known to have large crystal grain sizes of order 0.1
mm.' This property has been a main attraction for carrying
out photophysical studies in doped FSC. The high optical
quality and large optical pathlengths (typically 1 cm) of
these solids distinguish them from matrices and make them
ideally suited for such applications as solid-state laser me-
dia.2-5 The same characteristics make FSC attractive media

  

Source: Apkarian, V. Ara - Department of Chemistry, University of California, Irvine

 

Collections: Chemistry