Dictionary learning in Fourier-transform scanning tunneling spectroscopy

Aperiodic structure imaging suffers limitations when utilizing Fourier analysis. The authors report an algorithm that quantitatively overcomes these limitations based on nonconvex optimization, demonstrated by studying aperiodic structures via the phase sensitive interference in STM images.

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Autores principales:	Sky C. Cheung, John Y. Shin, Yenson Lau, Zhengyu Chen, Ju Sun, Yuqian Zhang, Marvin A. Müller, Ilya M. Eremin, John N. Wright, Abhay N. Pasupathy
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/4fac58aeeeba4907ad62d0897dc58f8c
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spelling	oai:doaj.org-article:4fac58aeeeba4907ad62d0897dc58f8c2021-12-02T17:31:07ZDictionary learning in Fourier-transform scanning tunneling spectroscopy10.1038/s41467-020-14633-12041-1723https://doaj.org/article/4fac58aeeeba4907ad62d0897dc58f8c2020-02-01T00:00:00Zhttps://doi.org/10.1038/s41467-020-14633-1https://doaj.org/toc/2041-1723Aperiodic structure imaging suffers limitations when utilizing Fourier analysis. The authors report an algorithm that quantitatively overcomes these limitations based on nonconvex optimization, demonstrated by studying aperiodic structures via the phase sensitive interference in STM images.Sky C. CheungJohn Y. ShinYenson LauZhengyu ChenJu SunYuqian ZhangMarvin A. MüllerIlya M. EreminJohn N. WrightAbhay N. PasupathyNature PortfolioarticleScienceQENNature Communications, Vol 11, Iss 1, Pp 1-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Sky C. Cheung John Y. Shin Yenson Lau Zhengyu Chen Ju Sun Yuqian Zhang Marvin A. Müller Ilya M. Eremin John N. Wright Abhay N. Pasupathy Dictionary learning in Fourier-transform scanning tunneling spectroscopy
description	Aperiodic structure imaging suffers limitations when utilizing Fourier analysis. The authors report an algorithm that quantitatively overcomes these limitations based on nonconvex optimization, demonstrated by studying aperiodic structures via the phase sensitive interference in STM images.
format	article
author	Sky C. Cheung John Y. Shin Yenson Lau Zhengyu Chen Ju Sun Yuqian Zhang Marvin A. Müller Ilya M. Eremin John N. Wright Abhay N. Pasupathy
author_facet	Sky C. Cheung John Y. Shin Yenson Lau Zhengyu Chen Ju Sun Yuqian Zhang Marvin A. Müller Ilya M. Eremin John N. Wright Abhay N. Pasupathy
author_sort	Sky C. Cheung
title	Dictionary learning in Fourier-transform scanning tunneling spectroscopy
title_short	Dictionary learning in Fourier-transform scanning tunneling spectroscopy
title_full	Dictionary learning in Fourier-transform scanning tunneling spectroscopy
title_fullStr	Dictionary learning in Fourier-transform scanning tunneling spectroscopy
title_full_unstemmed	Dictionary learning in Fourier-transform scanning tunneling spectroscopy
title_sort	dictionary learning in fourier-transform scanning tunneling spectroscopy
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/4fac58aeeeba4907ad62d0897dc58f8c
work_keys_str_mv	AT skyccheung dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT johnyshin dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT yensonlau dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT zhengyuchen dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT jusun dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT yuqianzhang dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT marvinamuller dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT ilyameremin dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT johnnwright dictionarylearninginfouriertransformscanningtunnelingspectroscopy AT abhaynpasupathy dictionarylearninginfouriertransformscanningtunnelingspectroscopy
_version_	1718380671027642368

Dictionary learning in Fourier-transform scanning tunneling spectroscopy

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