SURFACE VIBRATIONS FROM SMALL CLUSTERS TO THE SOLID - HE ATOM SCATTERING FROM AR(N)

被引:55
作者
BUCK, U
KROHNE, R
机构
[1] Max-Planck-Institut für Strömungsforschung
关键词
D O I
10.1103/PhysRevLett.73.947
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In a crossed molecular beam arrangement helium atoms are scattered from argon clusters which are generated in the size range of nBAR = 25 to nBAR = 4600 by adiabatic expansion with conical nozzles. The inelastic energy transfer is detected by time-of-flight analysis of the scattered helium atoms with a resolution of better than 1 meV. The measured peak of the transferred energy is attributed to surface vibrations. It decreases as a function of the average cluster size and converges to the value of the surface phonons of solid argon.
引用
收藏
页码:947 / 950
页数:4
相关论文
共 26 条
[1]   NEW INSIGHT INTO EXPERIMENTAL PROBES OF CLUSTER MELTING [J].
ADAMS, JE ;
STRATT, RM .
JOURNAL OF CHEMICAL PHYSICS, 1990, 93 (02) :1358-1368
[2]   STUDIES OF VIBRATIONAL SURFACE MODES .2. MONATOMIC FCC CRYSTAL [J].
ALLEN, RE ;
ALLDREDGE, GP .
PHYSICAL REVIEW B-SOLID STATE, 1971, 4 (06) :1661-+
[3]   DYNAMICS OF DIFFUSION IN SMALL CLUSTER SYSTEMS [J].
BECK, TL ;
MARCHIORO, TL .
JOURNAL OF CHEMICAL PHYSICS, 1990, 93 (02) :1347-1357
[4]   HELIUM ATOM SCATTERING SPECTROSCOPY OF SURFACE PHONONS - GENESIS AND ACHIEVEMENTS [J].
BENEDEK, G ;
TOENNIES, JP .
SURFACE SCIENCE, 1994, 299 (1-3) :587-611
[5]  
BERRY RS, 1988, ADV CHEM PHYS, V70, P74
[6]   DIFFRACTION AND VIBRATIONAL DYNAMICS OF LARGE CLUSTERS FROM HE ATOM SCATTERING [J].
BUCK, U ;
KROHNE, R ;
SIEBERS, J .
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1993, 26 (1-4) :169-171
[7]  
BUCK U, 1980, J CHEM PHYS, V72, P1512, DOI 10.1063/1.439377
[8]  
BUCK U, IN PRESS J CHEM PHYS
[9]  
BUCK U, 1988, ATOMIC MOL BEAM METH, P525
[10]  
BUCK U, 1992, NUCLEAR PHYSICS CONC, P178