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UID:DSC-13480
DTSTART;TZID=Europe/Berlin:20170928T133000
SEQUENCE:1506584490
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20170928T143000
URL:https://dresden-science-calendar.de/calendar/en/detail/13480
LOCATION:IFW\, Helmholtzstraße 2001069 Dresden
SUMMARY:Moradi: Comprehensive Analysis of Rolled-up Tubular Structures Fabr
 icated by a Novel Dry Release Technique
CLASS:PUBLIC
DESCRIPTION:Speaker: Somayeh Moradi\nInstitute of Speaker: IIN \nTopics:\nM
 aterialien\, Physik\n Location:\n  Name: IFW (B3E.26\, IIN)\n  Street: Hel
 mholtzstraße 20\n  City: 01069 Dresden\n  Phone: \n  Fax: \nDescription: 
 To date\, enormous efforts have been made to design\, fabricate and optimi
 ze functional micro-nanostructure with desirable scale\, morphology and ge
 ometrical structures. Nowadays\, Rolled-up nanotechnology has received inc
 reasing Attention because it offers an advanced strategy to deterministica
 lly rearrange the planar nanomembranes into three-dimensional tubular micr
 o-nanostructures\, which serve for many applications ranging from nanoelec
 tronics\, mechanics and fluidics to photonics [1\,2]. However\, most of th
 e tubular devices such as rolled-up magnetized microstructures[3]\, optica
 l resonators[4]\, self-propelled microengines[5]\, biosensors[6] and many 
 other applications with complex functionalities are based on the fabricati
 on of single or just a few windings microtubes. Rolled-up applications suc
 h as large-area rolled-up nanomembrane capacitors[7]\, rolled-up metamater
 ial optical fibers and rolled-up hyperlenses[8\,9] will work properly if w
 e can provide more compact and interfacial defect-free consecutive rotatio
 ns in their structures. Considering the difficulties of the creating of ti
 ght multiple winding microtubes due to the sacrificially wet etching mecha
 nism of the current rolled-up technology approach\, we conclude the fabric
 ation of tight multiple winding applications based on this technology is s
 till a big challenge. To circumvent this challenge\, I have demonstrated a
  novel dry release technique for the rolled-up technology. The ability of 
 this new approach in fabricating of extremely compact and highly symmetric
  multiple winding tubular structures will be presented in this talk. Moreo
 ver\, I will present a systematic analysis of the fabricated multiple wind
 ing microtubes in both qualitative and quantitative manners. Some other un
 ique tubular architectures fabricated based on this technique including th
 e free-standing microtubes and the wrinkled pattern microtubes will be cha
 racterized as well. Furthermore\, the generalization of this technique inc
 luding the compatibility with standard patterning methods and controlling 
 the rolling direction for this new platform will be discussed.
DTSTAMP:20260712T043542Z
CREATED:20170926T074017Z
LAST-MODIFIED:20170928T074130Z
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