Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Víctor Barrena"'
Autor:
Sunghun Park, Víctor Barrena, Samuel Mañas-Valero, José J. Baldoví, Antón Fente, Edwin Herrera, Federico Mompeán, Mar García-Hernández, Ángel Rubio, Eugenio Coronado, Isabel Guillamón, Alfredo Levy Yeyati, Hermann Suderow
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-6 (2021)
Bound states in superconducting vortices are expected to exhibit an electron-hole asymmetry, but it is usually tiny and can be easily washed out. Here, the authors show that the vortex bound states coupling to magnetic impurities provides an axial el
Externí odkaz:
https://doaj.org/article/4bd0addf176343749689c28c862dc12b
Autor:
Edwin Herrera, Víctor Barrena, Isabel Guillamón, José Augusto Galvis, William J. Herrera, José Castilla, Dai Aoki, Jacques Flouquet, Hermann Suderow
Publikováno v:
Communications Physics, Vol 4, Iss 1, Pp 1-6 (2021)
URu2Si2 is known to exhibit a lower temperature phase transition termed a ‘hidden order’ due to the difficulty its detection using conventional solid-state probes and the exact mechanism still remains unknown. Here, the authors use scanning tunne
Externí odkaz:
https://doaj.org/article/5df9125a618a405d928d2edf42c68c28
Autor:
Francisco Martín-Vega, Edwin Herrera, Beilun Wu, Víctor Barrena, Federico Mompeán, Mar García-Hernández, Paul C. Canfield, Annica M. Black-Schaffer, José J. Baldoví, Isabel Guillamón, Hermann Suderow
Publikováno v:
Physical Review Research, Vol 4, Iss 2, p 023241 (2022)
The electronic band structure of Au_{2}Pb has a Dirac cone which gaps when undergoing a structural transition into a low temperature superconducting phase. This suggests that the superconducting phase (T_{c}=1.1 K) might hold topological properties a
Externí odkaz:
https://doaj.org/article/ab07683c96b443a19acdbb197fc120c1
Autor:
Rafael Álvarez Montoya, Sara Delgado, José Castilla, José Navarrete, Nuria Díaz Contreras, Juan Ramón Marijuan, Víctor Barrena, Isabel Guillamón, Hermann Suderow
Publikováno v:
HardwareX, Vol 5, Iss , Pp - (2019)
Liquid Helium is used widely, from hospitals to characterization of materials at low temperatures. Many experiments at low temperatures require liquid Helium, particularly when vibration isolation precludes the use of cryocoolers and when one needs t
Externí odkaz:
https://doaj.org/article/3bf2ae1aa2c2416e96b99029ad969955
Autor:
Svetlana V. Postolova, Alexey Yu. Mironov, Víctor Barrena, Jose Benito-Llorens, Jose Gabriel Rodrigo, Hermann Suderow, Mikhail R. Baklanov, Tatyana I. Baturina, Valerii M. Vinokur
Publikováno v:
Physical Review Research, Vol 2, Iss 3, p 033307 (2020)
We study electronic densities of states (DOS) of strongly disordered superconducting thin films of TiN. We find through scanning tunneling microscopy (STM) measurements that the DOS decreases towards the Fermi level in the normal phase obtained by ap
Externí odkaz:
https://doaj.org/article/f7af35ee7cab48e585615ef21692f1b1
Publikováno v:
Physical Review Research, Vol 2, Iss 2, p 022042 (2020)
Some single-crystalline materials present an electrical resistivity which decreases between room temperature and low temperatures at zero magnetic field as in a good metal and switches to a nearly semiconductinglike behavior at low temperatures with
Externí odkaz:
https://doaj.org/article/6bf7eaa3b4ca486ba4208b991a4f4a12
Autor:
Edwin Herrera, Isabel Guillamón, Víctor Barrena, William J. Herrera, Jose Augusto Galvis, Alfredo Levy Yeyati, Ján Rusz, Peter M. Oppeneer, Georg Knebel, Jean Pascal Brison, Jacques Flouquet, Dai Aoki, Hermann Suderow
Publikováno v:
Nature
Nature, 2023, 616 (7957), pp.465-469. ⟨10.1038/s41586-023-05830-1⟩
Nature, 2023, 616 (7957), pp.465-469. ⟨10.1038/s41586-023-05830-1⟩
Two-dimensional electronic states at surfaces are often observed in simple wide-band metals such as Cu or Ag (refs. 1–4). Confinement by closed geometries at the nanometre scale, such as surface terraces, leads to quantized energy levels formed fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e94227d53363db05c48a7b20c65e7df
https://doi.org/10.1038/s41586-023-05830-1
https://doi.org/10.1038/s41586-023-05830-1
Autor:
Blanco, Paula D., Colditz, Rene R., López Saldaña, Gerardo, Hardtke, Leonardo A., Llamas, Ricardo M., Mari, Nicolás A., Fischer, Angeles, Caride, Constanza, Aceñolaza, Pablo G., del Valle, Héctor F., Lillo-Saavedra, Mario, Coronato, Fernando, Opazo, Sergio A., Morelli, Fabiano, Anaya, Jesús A., Sione, Walter F., Zamboni, Pamela, Arroyo, Victor Barrena
Publikováno v:
In Remote Sensing of Environment 15 May 2013 132:13-31
Autor:
Edwin Herrera, Beilun Wu, Evan O'Leary, Alberto M. Ruiz, Miguel Águeda, Pablo García Talavera, Víctor Barrena, Jon Azpeitia, Carmen Munuera, Mar García-Hernández, Lin-Lin Wang, Adam Kaminski, Paul C. Canfield, José J. Baldoví, Isabel Guillamón, Hermann Suderow
The orthorhombic compound AuSn4 is compositionally similar to the Dirac node arc semimetal PtSn$_4$. AuSn$_4$ is, contrary to PtSn$_4$, superconducting with a critical temperature of T$_c$ = 2.35 K. Recent measurements present indications for quasi t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::693f607c44ea2f13f977a2c55c392ce1
http://arxiv.org/abs/2205.09975
http://arxiv.org/abs/2205.09975
Autor:
Francisco Martín-Vega, Edwin Herrera, Beilun Wu, Víctor Barrena, Federico Mompeán, Mar García-Hernández, Paul C. Canfield, Annica M. Black-Schaffer, José J. Baldoví, Isabel Guillamón, Hermann Suderow
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
Physical Review Research
instname
Physical Review Research
[EN] The electronic band structure of Au2Pb has a Dirac cone which gaps when undergoing a structural transition into a low temperature superconducting phase. This suggests that the superconducting phase (Tc = 1.1 K) might hold topological properties
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85688600ef975e298a2b739c96c67243