Nnaofabricartion

In-situ SEM guile, Manipulation, and Mechanical Investigations of Composite and Si Nanowires Ivo Utke, Johann Michler EMPA, Materials Science and technology Thun, Switzerland Ivo.Utke@empa.ch, Johann.Michler@empa.ch Materials Technology in Thun Bienvenue! Willkommen! Welcome! G F Bern Thun Interlaken St. Gallen Zürich Dübendorf A Li I Outline SEM fabrication of nano-composite nanowires SEM determination of mechanical properties Nanomanipulation of nanowires and nanotubes Volatile FEB generate deposition Precursor bla Substrate Dicobaltoctacarbonyl Co2(CO)8 FEB induced deposition FEB 1…100 nm/s FEB Co2(CO)8 W(CO)6 Si edge FEB deposit FEB decomposition FEB deposited nano-composite structure example: Co2(CO)8 precursor Chemical composition 10 - 90 at.% Co 80 5 at.% C 5 10 at% O Nano-structure metal nanocrystals in carbonaceous matrix Nanocrystal size 1…5 nm I. Utke et al., MEE 73-74 (2004) 553 Applications MFM-tips One step process High-resolution 20 nm High-aspect ratio 1…10… Hall-sensors Current Sensitivity 1 V/AT Magnetic field resolution 10 µT/Hz1/2 @ R.T and f> 1 kHz I. Utke et al. APL 80 (2002) 4792, G.Boero, I. Utke et al.

APL 86 (2005) 042503 Outline Fabrication of nano-composite nanowires SEM determination of mechanical properties Nanomanipulation of nanowires and nanotubes Scientific instrumentation & technology developments nanogravimetry CNT nanomanipulation via two x,y,z slip-stick devices and positioning control via object recognition nanoindenter exchangable microgripper microcleaver In-situ SEM nano indention In-situ indentation in Zr52.5Cu17.9Ni14.6Al10Ti5 Vitreloy-105 R. Rabe, J. Michler, Thin Solid Films 206, 213 B. Moser, J. Kuebler, H. Meinhard, W. Muster, J. Michler, Adv. Eng. Mat. 7, 388 In-situ indentation in Vitreloy-105 Vitreloy-105 : partial correlation between shear band shaping and... If you want to get a full essay, order it on our website: Orderessay

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