{"id":40125,"date":"2017-02-03T10:26:10","date_gmt":"2017-02-03T10:26:10","guid":{"rendered":""},"modified":"2022-11-09T22:17:09","modified_gmt":"2022-11-09T22:17:09","slug":"prof-a-feher","status":"publish","type":"page","link":"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/about-the-team\/prof-a-feher\/","title":{"rendered":"Dr. h. c., Prof. RNDr. Alexander Feher, DrSc."},"content":{"rendered":"<p style=\"text-align: justify;\">One of the team leaders, <strong>Prof. A. Feher<\/strong>, dedicates his research efforts to the study of magneto-structural correlations in anion-radical salts based on the TCNQ planar molecules (Fig. 1), in which subtle changes in the composition or structure leads to substantial changes in their magnetic properties. Those materials are very promising for use especially in organic photovoltaic cells, organic field-controlled transistors, organic light emitting diodes, magneto-optical switches, high-capacity storage media, and they may find application in new types of electrolytic memories. At present, however, the TCNQ anion-radical salts attract attention of researches mainly due to their application in nanomagnetism and as potential components of quantum computers [<em>D. \u0160olt\u00e9sov\u00e1 et al., J. Phys. Chem. Solids 99\u00a0(2016) 182<\/em>].<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" alt=\"\" src=\"https:\/\/www.upjs.sk\/app\/uploads\/2022\/09\/obr-prof-feher.png\" style=\"height:387px; width:600px\" \/><\/p>\n<p style=\"text-align: justify;\">Fig. 1: Crystal structure of (a) of an organic [Mn(phen)<sub>3<\/sub>] (TCNQ)<sub>2<\/sub>\u00b7H<sub>2<\/sub>O anion-radical salt \u00a0shown together with a schematic representation of the theoretical model (b) describing the magnetic exchange interactions within the system.<\/p>\n<p style=\"text-align: justify;\">His attention is also focused on the heat transport in the systems with reduced geometry and on the investigation of phonon spectra in low-dimensional structures (graphite and graphene) [<em>A.Feher et al., Phonon Spectrum and Vibrational\u00a0 Thermodynamic Characteristic of Graphene Nanofilms in Graphene Science Handbook, Nanostructure and Atomic Arrangement, ed. By M. Aliofkhazraei et al.CRT Press, Taylor&#038; Francis Group, London 2016<\/em>] and in vitreous semiconductors based on chalcogenides.<br \/> \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the team leaders, Prof. A. Feher, dedicates his research efforts to the study of magneto-structural correlations in anion-radical salts based on the TCNQ planar molecules (Fig. 1), in which subtle changes in the composition or structure leads to substantial changes in their magnetic properties. Those materials are very promising for use especially in &hellip; <a href=\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/about-the-team\/prof-a-feher\/\">Continued<\/a><\/p>\n","protected":false},"author":1,"featured_media":9051,"parent":24903,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"class_list":["post-40125","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":{"acf_link_na_externy_obsah":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dr. h. c., Prof. RNDr. Alexander Feher, DrSc. - UPJ\u0160 Ko\u0161ice<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/about-the-team\/prof-a-feher\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dr. h. c., Prof. RNDr. Alexander Feher, DrSc. - UPJ\u0160 Ko\u0161ice\" \/>\n<meta property=\"og:description\" content=\"One of the team leaders, Prof. A. 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Those materials are very promising for use especially in &hellip; Continued\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/about-the-team\/prof-a-feher\/\" \/>\n<meta property=\"og:site_name\" content=\"UPJ\u0160 Ko\u0161ice\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/UniverzitaPavlaJozefaSafarikaVkosiciach\/\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-09T22:17:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.upjs.sk\/app\/uploads\/2022\/09\/obr-prof-feher.png\" \/>\n\t<meta property=\"og:image:width\" content=\"874\" \/>\n\t<meta property=\"og:image:height\" content=\"564\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@UPJS_kosice\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/about-the-team\/prof-a-feher\/\",\"url\":\"https:\/\/www.upjs.sk\/en\/information\/science-and-research\/scientific-and-research-activities-phd-studies\/top-research-teams\/qmagna-upjs\/about-the-team\/prof-a-feher\/\",\"name\":\"Dr. h. c., Prof. RNDr. Alexander Feher, DrSc. - 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