Effects of focused-ion-beam irradiation and prestraining on the mechanical properties of FCC Au microparticles on a sapphire substrate

Journal of Materials Research

Volumn 26, Issue 14, 2011, Pages 1653-1661

  Lee, Seok Woo ^a   Mordehai, Dan ^b   Rabkin, Eugen ^b   Nix, William D ^a  

^a Stanford University   (United States)

^b TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

Author keywords

Dislocations; Radiation effects; Strength

Indexed keywords

DE-WETTING; DEFECT-FREE; MICRO-PARTICLES; MOBILE DISLOCATIONS; NANOINDENTERS; PRESTRAINING; SAPPHIRE SUBSTRATES; SOLID-STATE DIFFUSION; STRENGTH; SUBMICROMETER SCALE;

DEFECTS; DIFFUSION IN SOLIDS; DISLOCATIONS (CRYSTALS); ION BEAMS; IONS; IRRADIATION; RADIATION EFFECTS; SAPPHIRE; STRESS-STRAIN CURVES;

MECHANICAL PROPERTIES;

EID: 81455154779     PISSN: 08842914     EISSN: 20445326     Source Type: Journal    
DOI: 10.1557/jmr.2011.221     Document Type: Article

References (18)

1. W.D. Nix, J.R. Greer, G. Feng, and E.T. Lilleodden: Deformation at the nanometer and micrometer length scales: Effects of strain gradients and dislocation starvation. Thin Solid Films 515, 3152 (2007).
2. M.D. Uchic, D.M. Dimiduk, J.N. Florando, and W.D. Nix: Sample dimensions influence strength and crystal plasticity. Science 305, 986 (2004).
3. J.R. Greer, W.C. Oliver, and W.D. Nix: Size dependence of mechanical properties of gold at the micron scale in the absence of strain gradients. Acta Mater. 53, 1821 (2005).
4. C.A. Volkert and E.T. Lilleodden: Size effects in the deformation of sub-micron Au columns. Philos. Mag. 86, 5567 (2006).
5. D. Kiener, C. Motz, M. Rester, M. Jenko, and G. Dehm: FIB damage of Cu and possible consequences for miniaturized mechanical tests. Mater. Sci. Eng., A 459, 262 (2007).
6. H. Bei, S. Shim, E.P. George, M.K. Miller, E.G. Herbert, and G.M. Pharr: Compressive strengths of molybdenum alloy micropillars prepared using a new technique. Scr. Mater. 57, 397 (2007).
7. G. Richter, K. Hillerich, D.S. Gianola, R. Mönig, O. Kraft, and C.A. Volkert: Ultrahigh strength single crystalline nanowhiskers grown by physical vapor deposition. Nano Lett. 9, 3048 (2009).
8. A.T. Jennings, M.J. Burek, and J.R. Greer: Microstructure versus size: Mechanical properties of electroplated single crystalline Cu nanopillars. Phys. Rev. Lett. 104, 135503 (2010).
9. H. Sadan and W.D. Kaplan: Au-Sapphire (0001) solid-solid interfacial energy. J. Mater. Sci. 41, 5099 (2006).
10. D. Mordehai, M. Kazakevich, D.J. Srolovitz, and E. Rabkin: Nanoindentation size effect in single-crystal nanoparticle and thin films: A comparative experimental and simulation study. Acta Mater. 59, 2309 (2011).
11. H. Bei, S. Shim, G.M. Pharr, and E.P. George: Effects of pre-strain on the compressive stress-strain response of Mo-alloy singlecrystal micropillars. Acta Mater. 56, 4762 (2008).
12. S. Shim, H. Bei, M.K. Miller, G.M. Pharr, and E.P. George: Effects of focused-ion-beam milling on the compressive behavior of directionally solidified micropillars and the nanoindentation response of an electropolished surface. Acta Mater. 57, 503 (2009).
13. D. Mordehai, S-W. Lee, B. Eckert, D.J. Srolovitz, W.D. Nix, and E. Rabkin: Size effect in compression of single-crystal gold microparticles. Acta Mater. 59, 5202 (2011).
14. S-W. Lee, S.M. Han, and W.D. Nix: Uniaxial compression of fcc Au nanopillars on an MgO substrate: The effects of prestraining and annealing. Acta Mater. 57, 4404 (2009).
15. J.R. Greer and W.D. Nix: Nanoscale gold pillars strengthened through dislocation starvation. Phys. Rev. B 73, 245410 (2006).
16. S. Brinckmann, J-Y. Kim, and J.R. Greer: Fundamental differences in mechanical behavior between two types of crystals at the nanoscale. Phys. Rev. Lett. 100, 155502 (2008).
17. J.F. Ziegler, J.P. Biersack, and U. Littmark: The Stopping Range of Ions in Matter (Pergamon Press, New York, 1985), p. 321.
18. J.A. El-Awady, C. Woodward, D.M. Dimiduk, and N.M. Ghoniem: Effects of focused ion beam induced damage on the plasticity of micropillars. Phys. Rev. B 80, 104104 (2009).