MARC and MARCO What does the future hold?. What are we doing? 270 Nuclear Microscopy, Nuclear Microprobe or Proton Microprobe papers 1993-October 1996.

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Presentation transcript:

MARC and MARCO What does the future hold?

What are we doing? 270 Nuclear Microscopy, Nuclear Microprobe or Proton Microprobe papers 1993-October 1996

Where are we publishing? +3 books 270 Nuclear Microscopy, Nuclear Microprobe or Proton Microprobe papers 1993-October 1996

What about the last conference? 149 Presentations

What about IBA* in general? * Ion Beam Analysis From IBA-11 conference, 1993

Lateral Structure of Specimen Number of Papers Lateral Specimen Structure in Unfocused Beam Studies

What about other fields? u Nuclear microprobe papers270 u Ion Microprobe327 u Electron Microprobe732 u (Physics) Neutrino Oscillations157 u (Med) BRCA1 & BRCA2346 u (Geol) Cretaceous-Tertiary (KT) Boundary248 u (Eng) Fusion Power163 u Bose Condensation104 u Buckminsterfullerene1,175 u Polymerase Chain reaction22,509

Complaints (and solutions!) u Elemental maps are nice, but... –Why not map ratios to emphasise correlations? u Why not always include SEM/Optical image? –Greater use of visualisation software u Struggle with statistics –Need bigger detectors! –More intense beams! –DAQ systems that don’t fall over for >5kHz!

More Complaints... u Spot size stuck at 1 (0.4) micron since 1981 –See previous solution –Need reliable, commercially available high brightness ion sources u Insufficient use of internet –Tap into specialist expertise

One More Complaint u Important review books on analytical techniques rarely mention the nuclear microprobe! –More contact with influential people in specialist fields.

MARC u Upgrade of MP2 u New Atomic Force Microscope u Upgrade of Pelletron accelerator u Rationalisation of computer system u New lenses for MP2

MARC u MP2 upgrade: –In chamber pre-amp –Move ion pumps under beam line –Install magnetic shielding –Modify chamber to allow shorter working distance –New microscope (Edmund) –Radical lens system

MARC u New Lens –Novel design –Strong –Sort working distance –MARC/CSIRO collaboration To be released

MARC u Upgrade voltage divider with resistors u Improve gas handling u Terminal stabilisation u More SF 6 gas u Improve brightness

Melbourne Beam Brightness Measured with a suppressed Faraday cup just upstream of specimen chamber. No additional beam for half divergences greater than 0.23 mrad. Absolute value of brightness a function of machine configuration. Brightness profile always the same. Strong peaking always observed. B n = 8 B n = 4 B n = 12

MARCO u MARC commercial organisation u Manager - Dr Andrew Saint u New logo Microanalytical Research Centre Commercial Organisation M A R C O

u Mission statement –provide nuclear microprobe systems and components –consult on major projects –provide analytical services –provide generic data acquisition systems

MARCO u Management structure Professors from School of Physics Dean, Faculty of Science Director, MARC MARCO Dr Andrew Saint(Manager and chief engineer) Mr Brian Sherriffs(Finance Officer) Consultants Engineering and Software Will Belcher Roland Szymanski Science and applications

MARC & MARCO MARC MARCO School Customers & Collaborators