caa a22 4500 47705885X CHVBK 20180405111354.0 cr unu---uuuuu 170330e19960601xx s 000 0 eng 10.1007/BF02437019 doi (NATIONALLICENCE)springer-10.1007/BF02437019 Creep phenomena during uniaxial stretching of filamentary germanium crystals [Elektronische Daten] [A. Drozhzhin, A. Ermakov] We have studied creep phenomena occurring under a uniaxial stretch load of 104-106 Pa in initially dislocation-free filamentary p-Ge <111> crystals, both with perfect (mirror-like) and with defected (matte finish) surfaces. Tests were performed in a vacuum of 5·10−5 T, at a temperature of 1100 K. The structure of the filamentary crystals was monitored by selective and layer-by-layer etching, x-ray diffraction, metallography, and internal friction. Complete kinetic creep curves have been obtained and we have studied the fine structure of the rotations. We observe a sudden occurrence of a process, the characteristics of which depend mainly on the diameter (a size effect), and the random scatter of individual values demonstrates the statistical nature of the defects responsible for the phenomenon. In order to explain the multiplicity of dislocations observed, we have proposed a model based on breaching a macroscopic Eshelby potential barrier by an accumulation of defects which interact strongly with the free surface. Plenum Publishing Corporation, 1996 Drozhzhin A. aut Ermakov A. aut Russian Physics Journal Kluwer Academic Publishers-Consultants Bureau 39/6(1996-06-01), 548-553 1064-8887 39:6<548 1996 39 11182 https://doi.org/10.1007/BF02437019 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02437019 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Drozhzhin A. aut NATIONALLICENCE 700 1- Ermakov A. aut NATIONALLICENCE 773 0- Russian Physics Journal Kluwer Academic Publishers-Consultants Bureau 39/6(1996-06-01), 548-553 1064-8887 39:6<548 1996 39 11182 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer