URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0009c5b6477af262c4c9889a53917163https://doi.org/10.1103/physrevb.83.085402
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6acb728277760dfb2d045798b4e33c1chttps://doi.org/10.1103/physrevb.76.115403