MPRI Centralised Laboratories Gerrard Peters School of Physics 1.
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Transcript of MPRI Centralised Laboratories Gerrard Peters School of Physics 1.
MPRI Centralised LaboratoriesGerrard Peters
School of Physics
1
Introduction
• Centralised laboratories houses similar pieces of equipment– Better accessibility of equipment to researchers– Provides a wider scope for preparing and analysing materials
• MPRI Centralised Laboratories– Thin Films Lab– Furnace Lab– Sample Preparation Lab
• Research labs are utilised by :– Physics researchers and post graduate students– Students from other schools and faculties including;
• Chemistry• Biology• Metallurgical Engineering• Mechanical Engineering
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Thin Films Laboratory
• Houses various deposition systems• Can deposit ~100nm thick layers of most metals (Al, Au, Cr
etc,), and Organic thin film layers: pentacene
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Thin Films Laboratory
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PLD (pulsed laser deposition) system• Hard coatings and protective layers - Transition metal Carbides and nitrides B4C, TiC, NbC, NbN,
RF Sputtering system• Single/Multi metallic layers, nano particles, Ti, Nb, Hf,• diamond like carbon: doped & pristine• Compounds: Oxides- BiFeO3, carbides, nitrides, oxynitrides , composite oxides
Thin Films Laboratory
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DC Sputtering system• transparent conducting oxides• reactive sputtering of composite oxides and oxynitrides• Modification: multi-layer thin films
Thermal evaporation system • High vapor pressure materials Al, Au, Cr,• Organic thin film layers
Thin Films Laboratory
SEM (Scanning Electron Microscope)with EDS attachment• Large chamber (sample size up to 60mm dia x 40mm height)• 50nm resolution (W-filament)• Elemental surface analysis
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I-V (electrical measurement) system• two point and 4 point in air and at 50K - 325K • Photoconductive experiments Photovoltaic materials: low cost• Pulse measurements: C-V-t
Furnace Laboratory
• Carbolite tube furnace (max temp. ~1100°C)• Carbolite tube furnace(max temp. ~1700°C)• Sentro Tech tube furnace – 2 zone (max temp. ~1700°C)• RF furnace (max temp. ~1400°C)• Drying ovens
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Sample Preparation Laboratory
• Precision cutting saws• Metallographic polishing machines• Variety of optical and stereo microscopes• Facilities for working with chemicals
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Sample Preparation Laboratory
Low speed diamond saw diamond wire saw
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Sample Preparation Laboratory
Metallographic polisher Optical/stereo microscopes
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Contact information
• For use of the Centralised facilities all initial contact to be made with Prof. Elias Haddad
• For more information on the facilities ;• Thin Films Laboratory : Dr. Daniel Wamwangi• Furnace Laboratory : Gerrard Peters• Sample Prep. Laboratory : Gerrard Peters