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MPRI Centralised Laboratories MPRI Centralised Laboratories

MPRI Centralised Laboratories - PowerPoint Presentation

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MPRI Centralised Laboratories - PPT Presentation

Gerrard 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 ID: 235998

thin laboratory furnace films laboratory thin films furnace sample system layers centralised oxides preparation max temp sputtering diamond materials

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Slide1

MPRI Centralised Laboratories

Gerrard Peters

School of Physics

1Slide2

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 LabResearch labs are utilised by :Physics researchers and post graduate studentsStudents from other schools and faculties including;ChemistryBiologyMetallurgical EngineeringMechanical Engineering

2Slide3

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

3Slide4

Thin Films Laboratory

4

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- BiFeO

3

, carbides

,

nitrides

, oxynitrides , composite oxidesSlide5

Thin Films Laboratory

5

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 Slide6

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

6

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-tSlide7

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

7Slide8

Sample Preparation Laboratory

Precision cutting saws

Metallographic polishing machines

Variety of optical and stereo microscopes

Facilities for working with chemicals

8Slide9

Sample Preparation Laboratory

Low speed diamond saw

diamond wire saw

9Slide10

Sample Preparation Laboratory

Metallographic polisher

Optical/stereo microscopes

10Slide11

11

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 WamwangiFurnace Laboratory : Gerrard Peters

Sample Prep. Laboratory : Gerrard Peters