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PHYS Ashutosh Rath - Homi Bhabha National Institute

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List of Figures<br />

2.1 Schematic illustration of the three equillibrium growth modes: (a)<br />

layer- by-layer (Frank-van der Merwe, FM) growth mode (b) layerplus-island<br />

(Stranski-Krastanov, SK) growth mode (c) Island (Volmer-<br />

Weber, VW) growth mode [77]. . . . . . . . . . . . . . . . . . . . . . 11<br />

2.2 A custom-designed compact MBE system (MBE chamber diameter:<br />

250 mm) and a UHV variable temperature scanning tunneling microscope<br />

(VTSTM) attached to it. . . . . . . . . . . . . . . . . . . . . . 13<br />

2.3 A schematic diagram of (a) Filament and illumination part, (b) Diffraction<br />

pattern formation and (c) Image formation [79]. . . . . . . . . . 17<br />

2.4 A schematic diagram of different processes taking place during electron−solid<br />

interaction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18<br />

2.5 200 keV JEOL HRTEM installed at <strong>Institute</strong> of Physics, Bhubaneswar. 21<br />

2.6 A schematic diagram of procedure to prepare a typical planar TEM<br />

specimen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22<br />

2.7 A schematic diagram of procedure to prepare a typical cross-sectional<br />

TEM specimen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22<br />

2.8 Single tilt hot stage holder installed at IOP, Bhubaneswar (Model 628,<br />

Gatan, Inc.). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24<br />

2.9 FIB-SEM crossbeam system installed at <strong>Institute</strong> of Physics, Bhubaneswar. 26<br />

2.10 A schematic diagram of different processes taking place during electron−solid<br />

interaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29<br />

2.11 Schematic diagram of detector geometry for a STEM [94]. . . . . . . 32<br />

2.12 A schematic diagram of the interaction of two particles [97]. . . . . . 35<br />

2.13 A schematic diagram of the RBS spectrum for a thin film [97]. . . . . 36<br />

xxi

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