title: Biaxially stretchable "wavy" silicon nanomembranes.
abstract: This Letter introduces a biaxially stretchable form of single crystalline silicon that consists of two dimensionally buckled, or "wavy", silicon nanomembranes on elastomeric supports. Fabrication procedures for these structures are described, and various aspects of their geometries and responses to uniaxial and biaxial strains along various directions are presented. Analytical models of the mechanics of these systems provide a framework for quantitatively understanding their behavior. These classes of materials might be interesting as a route to high-performance electronics with full, two-dimensional stretchability.
authors.affiliation: Department of Materials Science and Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
authors.forename: Won Mook
authors.initials: WM
authors.lastname: Choi
authors.forename: Jizhou
authors.initials: J
authors.lastname: Song
authors.forename: Dahl-Young
authors.initials: DY
authors.lastname: Khang
authors.forename: Hanqing
authors.initials: H
authors.lastname: Jiang
authors.forename: Yonggang Y
authors.initials: YY
authors.lastname: Huang
authors.forename: John A
authors.initials: JA
authors.lastname: Rogers
mesh_terms: D016880:Anisotropy; D003460:Crystallization / Q000379:methods*; D004548:Elasticity; D046911:Macromolecular Substances / Q000737:chemistry; D008422:Materials Testing; D008567:Membranes, Artificial; D008968:Molecular Conformation; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D036103:Nanotechnology / Q000379:methods*; D010316:Particle Size; D012825:Silicon / Q000737:chemistry*; D013314:Stress, Mechanical; D013499:Surface Properties
chemical_list: D046911:Macromolecular Substances; D008567:Membranes, Artificial; D012825:Silicon