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Damage formation and annealing studies of low energy ion implants ...

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4.5 Sample product<strong>ion</strong> 100<br />

4.5.1 Salford Ultra Low Energy Implanter Laboratory 100<br />

4.5.2 Annealing equipment 101<br />

References 102<br />

Chapter 5 <strong>Damage</strong> accumulat<strong>ion</strong> <strong>and</strong> dopant migrat<strong>ion</strong> during<br />

shal<strong>low</strong> As <strong>and</strong> Sb implantat<strong>ion</strong>. 105<br />

5.1 Introduct<strong>ion</strong> 105<br />

5.2 Experimental 106<br />

5.3 Results <strong>and</strong> discuss<strong>ion</strong> 107<br />

5.4 Conclus<strong>ion</strong> 116<br />

References 116<br />

Chapter 6 Annealing <strong>studies</strong> 118<br />

6.1 Introduct<strong>ion</strong> 118<br />

6.2 Studies involving RTA <strong>of</strong> implanted samples,<br />

condit<strong>ion</strong>s similar to current device product<strong>ion</strong> 119<br />

6.2.1 Introduct<strong>ion</strong> 119<br />

6.2.2 RTA <strong>of</strong> 2.5 keV As implanted samples 119<br />

6.2.2.1 Experimental 119<br />

6.2.2.2 Results <strong>and</strong> Discuss<strong>ion</strong> 120<br />

6.2.3 PAI 3keV As implanted samples 123<br />

6.2.3.1 MEIS results 124<br />

6.2.3.2 Comparison with SIMS 127<br />

6.2.3.3 Specular reflectivity (SR) results – comparison with MEIS 129<br />

6.2.4 Reduct<strong>ion</strong> in implant <strong>energy</strong> – 1 keV As implantat<strong>ion</strong> <strong>and</strong> <strong>annealing</strong> 132<br />

6.2.4.1 Experimental 132<br />

6.2.4.2 Results <strong>and</strong> Discuss<strong>ion</strong> 133<br />

6.2.5 BF2 implanted samples 138<br />

6.3 SPER <strong>studies</strong> 138<br />

6.3.1 Introduct<strong>ion</strong> 138<br />

6.3.2 Isothermal <strong>and</strong> Isochronal series 139<br />

6.3.2.1 Isothermal series 139<br />

6.3.2.2 Isochronal series 146<br />

6.3.3 MEIS <strong>and</strong> XRD study <strong>of</strong> SPER on Cz <strong>and</strong> Epi 3 keV As,<br />

comparison <strong>of</strong> the two techniques 150<br />

6.3.3.1 MEIS 150<br />

6.3.3.2 X-ray Techniques 152<br />

6.3.3.3 Comparison between MEIS <strong>and</strong> x-ray scattering results 154<br />

6.4 SOI regrowth 156<br />

6.4.1 Introduct<strong>ion</strong> 156<br />

6.4.2 Experimental 157<br />

6.4.3 Results 157<br />

6.4.3.1 No – PAI samples 157<br />

6.4.3.2 60nm SOI PAI (40 keV Xe) 3 keV As 1E15 158<br />

6.4.3.3 Bulk Si, 60, 100 nm SOI, PAI, 3 <strong>and</strong> 1 keV BF2 162<br />

6.4.3.4 88 nm SOI vs. bulk Si, PAI Xe 40 keV 1E14, As 3 keV 2E15 163<br />

6.4.4 Discuss<strong>ion</strong> 165<br />

6.5 Conclus<strong>ion</strong> 170<br />

References 170<br />

iv

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