id:"swepub:oai:DiVA.org:kth-110076"
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04284naa a2200565 4500 | |
| 001 | oai:DiVA.org:kth-110076 | |
| 003 | SwePub | |
| 008 | 130110s2012 | |||||||||||000 ||eng| | |
| 009 | oai:DiVA.org:liu-86619 | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1100762 URI |
| 024 | 7 | a https://doi.org/10.1140/epjb/e2012-30794-52 DOI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-866192 URI |
| 040 | a (SwePub)kthd (SwePub)liu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Boström, Mathiasu KTH,Materialvetenskap,Department of Energy and Process Engineering, Norwegian University of Science and Technology, Norway4 aut0 (Swepub:kth)u1g318ht |
| 245 | 1 0 | a Casimir attractive-repulsive transition in MEMS |
| 264 | c 2012-11-19 | |
| 264 | 1 | b Springer Science and Business Media LLC,c 2012 |
| 338 | a print2 rdacarrier | |
| 500 | a QC 20130110 | |
| 520 | a Unwanted stiction in micro-and nanomechanical (NEMS/MEMS) systems due to dispersion (van der Waals, or Casimir) forces is a significant hurdle in the fabrication of systems with moving parts on these length scales. Introducing a suitably dielectric liquid in the interspace between bodies has previously been demonstrated to render dispersion forces repulsive, or even to switch sign as a function of separation. Making use of recently available permittivity data calculated by us we show that such a remarkable nonmonotonic Casimir force, changing from attractive to repulsive as separation increases, can in fact be observed in systems where constituent materials are in standard NEMS/MEMS use requiring no special or exotic materials. No such nonmonotonic behaviour has been measured to date. We calculate the force between a silica sphere and a flat surface of either zinc oxide or hafnia, two materials which are among the most prominent for practical microelectrical and microoptical devices. Our results explicate the need for highly accurate permittivity functions of the materials involved for frequencies from optical to far-infrared frequencies. A careful analysis of the Casimir interaction is presented, and we show how the change in the sign of the interaction can be understood as a result of multiple crossings of the dielectric functions of the three media involved in a given set-up. | |
| 650 | 7 | a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
| 653 | a Der-Waals Forces | |
| 653 | a Mu-M Range | |
| 653 | a Hydrocarbon Adsorption | |
| 653 | a Lifshitz Theory | |
| 653 | a Liquid Helium | |
| 653 | a Alpha-Quartz | |
| 653 | a Silica | |
| 653 | a Films | |
| 653 | a Dependence | |
| 653 | a Surfaces | |
| 700 | 1 | a Ellingsen, S. Å.u Department of Energy and Process Engineering, Norwegian University of Science and Technology, Norway4 aut |
| 700 | 1 | a Brevik, I.u Department of Energy and Process Engineering, Norwegian University of Science and Technology, Norway4 aut |
| 700 | 1 | a Dou, Maofengu KTH,Materialvetenskap,Department of Materials Science and Engineering, Royal Institute of Technology, Sweden4 aut0 (Swepub:kth)u15asgls |
| 700 | 1 | a Persson, Clasu KTH,Tillämpad materialfysik,Department of Physics, University of Oslo, Norway4 aut0 (Swepub:kth)u16hf74r |
| 700 | 1 | a Sernelius, Bo E.,d 1948-u Linköpings universitet,Teoretisk Fysik,Tekniska högskolan,Theoretical Physics4 aut0 (Swepub:liu)bose02 |
| 710 | 2 | a KTHb Materialvetenskap4 org |
| 773 | 0 | t European Physical Journal Bd : Springer Science and Business Media LLCg 85:11, s. 377-q 85:11<377-x 1434-6028x 1434-6036 |
| 856 | 4 | u http://arxiv.org/pdf/1209.5848 |
| 856 | 4 | u https://liu.diva-portal.org/smash/get/diva2:579491/FULLTEXT01.pdfx primaryx Raw objecty fulltext:postprint |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-110076 |
| 856 | 4 8 | u https://doi.org/10.1140/epjb/e2012-30794-5 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-86619 |
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