A5060144786- Solid-state spectroscopy and crystallography
- Copper Interconnects and Reliability
- Force Microscopy Techniques and Applications
- 2D Materials and Applications
- Microstructure and mechanical properties
- Advanced Thermoelectric Materials and Devices
Clemson University
2020-2022
Inorganic semiconductors are vital for a number of critical applications but almost universally brittle. Here, we report the superplastic deformability indium selenide (InSe). Bulk single-crystalline InSe can be compressed by orders magnitude and morphed into Möbius strip or simple origami at room temperature. The exceptional plasticity this two-dimensional van der Waals inorganic semiconductor is attributed to interlayer gliding cross-layer dislocation slip that mediated long-range In-Se...
Grain boundaries (GBs) play an important role in the mechanical behavior of polycrystalline materials. Despite decades investigation, atomic-scale dynamic processes GB deformation remain elusive, particularly for GBs polycrystals, which are commonly asymmetric and general type. We conducted situ atomic-resolution study to reveal how sliding-dominant is accomplished at tilt platinum bicrystals. observed either direct sliding along or with atom transfer across boundary plane. The latter...