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10.1038/ncomms9455 http://scihub22266oqcxt.onion/10.1038/ncomms9455 C4634135!4634135!26465211     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=26465211&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\26465211.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       Nat+Commun 2015 ; 6 (ä): ä Nephropedia Template TP {{tp|p=26465211|t=2015. Stability of single skyrmionic bits |pdf=|usr=}}{{26465211}} gab.com Text Stability of single skyrmionic bits JO: Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=26465211 #FOAvip The switching between topologically distinct skyrmionic and ferromagnetic states has been proposed as a bit operation for information storage. While long lifetimes of the bits are required for data storage devices, the lifetimes of skyrmions have not been addressed so far. Here we show by means of atomistic Monte Carlo simulations that the field-dependent mean lifetimes of the skyrmionic and ferromagnetic states have a high asymmetry with respect to the critical magnetic field, at which these lifetimes are identical. According to our calculations, the main reason for the enhanced stability of skyrmions is a different field dependence of skyrmionic and ferromagnetic activation energies and a lower attempt frequency of skyrmions rather than the height of energy barriers. We use this knowledge to propose a procedure for the determination of effective material parameters and the quantification of the Monte Carlo timescale from the comparison of theoretical and experimental data. Twit Text FOAVip Stability of single skyrmionic bits ????Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=26465211 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26465211 #FOAvip English Wikipedia <ref>{{Cite pmid|26465211}}</ref> Stability of single skyrmionic bits #MMPMID26465211 Hagemeister J; Romming N; von Bergmann K; Vedmedenko EY; Wiesendanger R Nat Commun 2015[]; 6 (ä): ä PMID26465211show ga The switching between topologically distinct skyrmionic and ferromagnetic states has been proposed as a bit operation for information storage. While long lifetimes of the bits are required for data storage devices, the lifetimes of skyrmions have not been addressed so far. Here we show by means of atomistic Monte Carlo simulations that the field-dependent mean lifetimes of the skyrmionic and ferromagnetic states have a high asymmetry with respect to the critical magnetic field, at which these lifetimes are identical. According to our calculations, the main reason for the enhanced stability of skyrmions is a different field dependence of skyrmionic and ferromagnetic activation energies and a lower attempt frequency of skyrmions rather than the height of energy barriers. We use this knowledge to propose a procedure for the determination of effective material parameters and the quantification of the Monte Carlo timescale from the comparison of theoretical and experimental data. äStability of single skyrmionic bits (epmc).pdf DeepDyve Pubget Overpricing