rick smalley rice university metal clusters fe10 si6 al20 etc lens
DESCRIPTION
Plasma in lab Exploding Star Try to reproduce the stellar plasma in the laboratoryTRANSCRIPT
Metal target
Laser beam
lensRick Smalley
Rice University
Metal Clusters
Fe10 Si6 Al20
etc
Try to reproduce the stellar plasma in the laboratory
Plasma in lab Exploding Star
Graphite Target
Focused Laser beam produces 10000o plasma
lens
Carbon chains molecules
Jim Heath and Sean O’Brien
Yuan Liu
carbon plasma cluster beam
Laser and graphite disk
skimmer hole to mass spectrometer
Laser Vapourisation Cluster Beam System - Smalley
Mass spectrum of carbon clusters (4-9-85) in which C60 and C70 were first recognised
as special
Buckminster Fuller’s Dome at Expo 67
C60: Buckminsterfullerene
Graphite Target
lens
A BIG surprise
Graphite Target
lens
C60 clusters
The IUPAC name !
Hentricontacyclo[29.29.0.02.14.03.12
.04.59.05.10.06.58.07.55.08.53.09.21.011.20
.013.18015.30.016.28.017.25.019.24.022.52
.023.50026.49.027.47.029.45.032.44.033.60
.034.57.035.43.036.56.037.41.038.54039.51
.040.48.042.46]
Hexaconta -1,3,5(10),6,8,11,13(18),14,16,19,21,27,29(45),30,32(44),33,35,(43),36,38(54),39(51),40(48),41,46,49,52,55,57,59 - tricontaene
rather like the floor of the Curl’s washroom
Graphite consists of sheets of carbon atoms in hexagonal arrays
Stardome
Map of the sky on a truncated icosahedron consisting of pentagons as
well as hexagons
Crystals of Buckminsterfullerene obtained by Kraetschmer and co-workers
nmr spectrum of soot extract
The Goode Company, Houston
The Second Strand
A fundamental advance was made at Rice University in Texas.
Smalley and co-workers developed a technique which enabled large metal
clusters (with tens of atoms) to be studied for the first time
Graphite is known to consist of layers of hexagonally packed carbon atoms
2cm
Supersonic cluster beam nozzle
Smalley and co-workers - Rice University 1981
Rotating metal disk
Focused laser beam
Helium
Solenoid valve
Aggregating clusters