Characteristics of the elastic strain of a Ge(111) surface under a mechanical load

Formation of Nanoscale Structures on the Ge(111) Surface Under Mechanical Loading

“…However, a transition from the single-crystal to the nanocrystalline state was not detected. 9 Stress values much higher than those achieved in the present study might be necessary to observe this transition. The behavior of the dependence ε 2 s -(σ) indicates that in a layer 1 nm thick such transition might occur at lower stress values than in a layer 10 nm thick.…”

“…7,9 One can see that the dependencies of ε s and ε b on the applied load are quite different. Dilatation in the layer 1 nm thick outstrips that in the layer 10 nm thick, but they become even under the extreme load, at which the sample's breakdown occurs.…”

“…[7][8][9][10][11][12] For reliable recording of the observed effects, measurements were made either at elevated temperature under small loads 8,12 or under higher mechanical loading. 7,9,10 Since our interest has been focused on problems of mechanical strength and fracture of solids, we employed in our studies very high stretching loads (by an order of magnitude higher than those employed by other authors).…”