Deformation and removal of semiconductor and laser single crystals at extremely small scales

Y Wu, D Mu, H Huang - International Journal of Extreme …, 2020 - iopscience.iop.org
Semiconductor and laser single crystals are usually brittle and hard, which need to be
ground to have satisfactory surface integrity and dimensional precision prior to their …

Pop-in effect as homogeneous nucleation of dislocations during nanoindentation

D Lorenz, A Zeckzer, U Hilpert, P Grau, H Johansen… - Physical review B, 2003 - APS
Using advanced depth-sensitive hardness measurements, the homogenous nucleation of
dislocations has been observed in dislocation-free single crystals. This process is related to …

Tip-based nanomanufacturing by electrical, chemical, mechanical and thermal processes

AP Malshe, KP Rajurkar, KR Virwani, CR Taylor… - CIRP annals, 2010 - Elsevier
Nanomanufactured products with higher complexities in function, materials, scales and their
integration demand an increasing need for advanced manufacturing tools. It is driven by …

Pop-in events induced by spherical indentation in compound semiconductors

JE Bradby, JS Williams, MV Swain - Journal of Materials research, 2004 - cambridge.org
Details of the elastic–plastic transitions in crystalline compound semiconductors have been
examined using spherical indentation. Two cubic (InP and GaAs) and two hexagonally …

Microstructural investigation of the volume beneath nanoindentations in copper

M Rester, C Motz, R Pippan - Acta Materialia, 2007 - Elsevier
The deformed volume below nanoindentations in copper single crystals with a〈 11¯
0〉{111} orientation is investigated. Using a focused ion beam workstation, cross-sections …

A TEM investigation on indentation plastic zones in Ni3Al (Cr, B) single crystals

YL Chiu, AHW Ngan - Acta materialia, 2002 - Elsevier
Nanoindentation has been carried out on (111) single crystals of Ni3Al with the maximum
applied load ranging from 800 to 8000 μN. The indentation plasticity fields are found to …

Study on the indentation size effect in CaF2: Dislocation structure and hardness

P Sadrabadi, K Durst, M Göken - Acta materialia, 2009 - Elsevier
In this study nanoindentations have been performed on a cleaved surface of a CaF2 single
crystal and the dislocation structure has been investigated by the etch pit technique using …

Acoustic emission monitoring of the earliest stages of contact-induced plasticity in sapphire

NI Tymiak, A Daugela, TJ Wyrobek, OL Warren - Acta materialia, 2004 - Elsevier
Monitoring nanoindentation with an acoustic emission (AE) sensor integrated into an
indenter tip provided a unique insight into the mechanisms of the initial stages of plasticity …

Quantitative analysis of dislocation pile-ups nucleated during nanoindentation in MgO

Y Gaillard, C Tromas, J Woirgard - Acta Materialia, 2006 - Elsevier
Incipient plasticity in magnesium oxide single crystals has been investigated by
nanoindentation with a spherical indenter. For very low loads, the surface deformation can …

Plastic deformation modes of gallium arsenide in nanoindentation and nanoscratching

K Wasmer, M Parlinska-Wojtan, R Gassilloud… - Applied physics …, 2007 - pubs.aip.org
The mechanical deformation by nanoindentation and scratching of gallium arsenide has
been investigated using cross-sectional transmission electron microscopy. Twinning was …