Observation of Weyl and Dirac fermions at smooth topological Volkov-Pankratov heterojunctions

Autor: J. Bermejo-Ortiz, G. Krizman, R. Jakiela, Z. Khosravizadeh, M. Hajlaoui, G. Bauer, G. Springholz, L.-A. de Vaulchier, Y. Guldner

Weyl and Dirac relativistic fermions are ubiquitous in topological matter. Their relativistic character enables high energy physics phenomena like the chiral anomaly to occur in solid state, which allows to experimentally probe and explore fundamenta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ac38ddca4be517618c024b19b905b15

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Time resolved ultrafast ARPES for the study of topological insulators: The case of Bi2Te3

Autor: Zhigang Jiang, Marino Marsi, J. Mauchain, E. Papalazarou, Yong P. Chen, M. Hajlaoui, Luca Perfetti, Amina Taleb-Ibrahimi, Ireneusz Miotkowski

Publikováno v: The European Physical Journal Special Topics. 222:1271-1275

We discuss the application of time-resolved ultrafast angle resolved photoelectron spectroscopy to the study of photoexcited topological insulators. Measurements performed on the prototype material Bi2Te3 clearly show that all the main processes invo

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https://doi.org/10.1140/epjst/e2013-01921-1

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Oxidation of the 8 × 8-reconstructed Beta -Si3N4(0 0 0 1) surface: A photoemission study

Autor: Roberto Flammini, Daniele M. Trucchi, Mathieu G. Silly, Rachid Belkhou, Alessandro Bellucci, Marilena Carbone, F. Ronci, M. Hajlaoui, Fausto Sirotti, Frédéric Wiame, S. Colonna

Publikováno v: Applied surface science 355 (2015): 93–97. doi:10.1016/j.apsusc.2015.07.019
info:cnr-pdr/source/autori:Flammini R.; Bellucci A.; Wiame F.; Belkhou R.; Carbone M.; Trucchi D.M.; Colonna S.; Ronci F.; Hajlaouid M.; Silly M.G.; Sirotti F./titolo:Oxidation of the 8 × 8-reconstructed Beta-Si3N4(0 0 0 1) surface: A photoemission study/doi:10.1016%2Fj.apsusc.2015.07.019/rivista:Applied surface science/anno:2015/pagina_da:93/pagina_a:97/intervallo_pagine:93–97/volume:355

The thermal oxidation of the β-Si3N4(0 0 0 1)-8 × 8 surface has been carried out. The spectroscopic characterization has been performed by high resolution core-level and by angle-resolved photoemission spectroscopy. Our findings demonstrate that th

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https://publications.cnr.it/doc/333395