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Rick Smalley Rice University Metal Clusters Fe10 Si6 Al20 etc lens

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Presentation on theme: "Rick Smalley Rice University Metal Clusters Fe10 Si6 Al20 etc lens"— Presentation transcript:

1 Rick Smalley Rice University Metal Clusters Fe10 Si6 Al20 etc lens Laser beam Metal target

2 Plasma in lab Exploding Star
Try to reproduce the stellar plasma in the laboratory

3 Focused Laser beam produces 10000o plasma
lens Carbon chains molecules Graphite Target

4 Jim Heath and Sean O’Brien

5 Yuan Liu

6 Laser and graphite disk
skimmer hole to mass spectrometer carbon plasma cluster beam Laser Vapourisation Cluster Beam System - Smalley

7 Mass spectrum of carbon clusters (4-9-85) in which C60 and C70 were first recognised as special

8 Buckminster Fuller’s Dome at Expo 67

9 C60: Buckminsterfullerene

10 lens A BIG surprise Graphite Target

11 lens C60 clusters Graphite Target

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16 rather like the floor of the Curl’s washroom
Graphite consists of sheets of carbon atoms in hexagonal arrays rather like the floor of the Curl’s washroom

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18 Stardome Map of the sky on a truncated icosahedron consisting of pentagons as well as hexagons

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21 Crystals of Buckminsterfullerene obtained by Kraetschmer and co-workers

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24 nmr spectrum of soot extract

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27 The Goode Company, Houston

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29 A fundamental advance was made at Rice University in Texas.
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

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31 Graphite is known to consist of layers of hexagonally packed carbon atoms

32 Supersonic cluster beam nozzle
Focused laser beam Solenoid valve Helium Rotating metal disk Aggregating clusters 2cm Smalley and co-workers - Rice University 1981


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