Abstract: physica status solidi (b)Volume 253, Issue 6 p. 1027-1030 ContentsFree Access Contents First published: 09 June 2016 https://doi.org/10.1002/pssb.201670539AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Volume253, Issue6June 2016Pages 1027-1030 RelatedInformation