Nanomechanical characterization of relaxation processes in As–S chalcogenide glasses
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Michael Trunov
Abstract
Nanoscale mechanical properties of As – S binary chalcogenide glasses for bulk and thin-film samples have been studied, using the nanoindentation technique for a step loading procedure. All components of glass deformation (plastic, elastic. and visco-elastic, or retarded) have been evaluated during the nanoindentation process. An essential redistribution of these components was observed during unloading depending on the composition of the glasses. The same nanoindentation procedure was applied to bulk, as-deposited and annealed thin-film samples of the glasses. Plots of deformation components vs. As concentration (or average covalent coordination number <r>) show a minimum around the As25S75 – As30S70 composition (<r> ≈ 2.30), which corresponds to the rigidity percolation composition, i. e., the transition from the floppy phase to the intermediate one.
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© 2007, Carl Hanser Verlag, München
Artikel in diesem Heft
- Contents
- Contents
- Editorial
- Editorial
- Basic
- Getting accurate nanoindentation data from time-dependent and microstructural effects of zinc
- Indentation-induced densification of soda-lime silicate glass
- Nanomechanical characterization of relaxation processes in As–S chalcogenide glasses
- Nanoindentation behavior and mechanical properties measurement of polymeric materials
- Model of a superlattice indentation
- Nanomechanical studies of MEMS structures
- Mechanical properties of nanostructured polymer particles for anisotropic conductive adhesives
- Nanomechanical studies of ultrathin polymeric resist films
- Testing the viscoelastic properties of SU8 photo resist thin films at different stages of processing by nanoindentation creep and stress relaxation
- Microscale characterization of bitumen – back-analysis of viscoelastic properties by means of nanoindentation
- Applied
- Visco-elastic properties of thin nylon films using multi-cycling nanoindentation
- Area function calibration in nanoindentation using the hardness instead of Young's modulus of fused silica as a reference value
- Multiscale modelling of nanoindentation
- Unusual architecture of the exceedingly tough Macadamia “nut”-shell as revealed by atomic force microscopy and nanomechanics
- Notifications
- DGM News
Artikel in diesem Heft
- Contents
- Contents
- Editorial
- Editorial
- Basic
- Getting accurate nanoindentation data from time-dependent and microstructural effects of zinc
- Indentation-induced densification of soda-lime silicate glass
- Nanomechanical characterization of relaxation processes in As–S chalcogenide glasses
- Nanoindentation behavior and mechanical properties measurement of polymeric materials
- Model of a superlattice indentation
- Nanomechanical studies of MEMS structures
- Mechanical properties of nanostructured polymer particles for anisotropic conductive adhesives
- Nanomechanical studies of ultrathin polymeric resist films
- Testing the viscoelastic properties of SU8 photo resist thin films at different stages of processing by nanoindentation creep and stress relaxation
- Microscale characterization of bitumen – back-analysis of viscoelastic properties by means of nanoindentation
- Applied
- Visco-elastic properties of thin nylon films using multi-cycling nanoindentation
- Area function calibration in nanoindentation using the hardness instead of Young's modulus of fused silica as a reference value
- Multiscale modelling of nanoindentation
- Unusual architecture of the exceedingly tough Macadamia “nut”-shell as revealed by atomic force microscopy and nanomechanics
- Notifications
- DGM News