Schematic of heterostructured nanowire, before and after interfacial bonding. The misfit dislocation geometry considered here is illustrated as well.
Energy , , vs underlayer radius for nanowire heterostructures with lattice mismatch . , , , and .
Energy , , vs lattice mismatch for nanowire heterostructures with underlayer radius . , , , and .
Equilibrium diagram illustrating regions in space for which the coherent and dislocated nanowire heterostructures are stable with respect to each other. , , and .
Finite element mesh of heterostructured nanowire system, before and after bonding of interface. , , and .
Stress fields , , and induced in heterostructred nanowire system, obtained via finite element analysis. , , and .
Strain energy density in overlayer and underlayer for . Finite element results are indicated by the marker +; exponential fits to the finite element data are indicated by solid lines. , , and .
Decay constant for , as determined by finite element analysis and Eq. (15). and .
Comparison between finite elements and Eq. (5) using , , and of radial and displacements in the overlayer at the interface. , , , and .
Total strain energy in coherent nanowire heterostructure as a function of according to Eq. (15) is compared with the total strain energy computed with finite element analysis for the cases . , , and .
Article metrics loading...
Full text loading...