Zobrazeno 1 - 10 of 46 pro vyhledávání: '"J. A. Rodríguez Velamazán"'
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Akademický článek
Helical spin dynamics in commensurate magnets: A study on brochantite, Cu_{4}SO_{4}(OH)_{6}
Autor: S. E. Nikitin, Tao Xie, A. Gazizulina, B. Ouladdiaf, J. A. Rodríguez Velamazán, I. F. Díaz-Ortega, H. Nojiri, L. M. Anovitz, A. M. dos Santos, O. Prokhnenko, A. Podlesnyak
Publikováno v: Physical Review Research, Vol 5, Iss 3, p 033111 (2023)
We report the direct observation of a commensurate-ordered antiferromagnetic (AFM) state but incommensurate helical spin dynamics in the natural mineral brochantite Cu_{4}SO_{4}(OH)_{6} through neutron diffraction and neutron spectroscopy measurement
Externí odkaz: https://doaj.org/article/ab95195344454439bc7958eca5adbbf3
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3
Akademický článek
Revisiting the magnetic structure of Holmium at high pressure by using neutron diffraction
Autor: M. Pardo-Sainz, F. Cova, J. A. Rodríguez-Velamazán, I. Puente-Orench, Y. Kousaka, M. Mito, J. Campo
Publikováno v: Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract Low-temperature neutron diffraction experiments at $$P= 8$$ P = 8 GPa have been conducted to investigate the magnetic structures of metallic Holmium at high pressures by employing a long d-spacing high-flux diffractometer and a Paris-Edinbur
Externí odkaz: https://doaj.org/article/d8041bd16a474f03945bdb47bf4ec46b
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4
Akademický článek
Spin-density studies of the multiferroic metal-organic compound [NH2(CH3)2][FeIIIFeII(HCOO)6]
Autor: Laura Cañadillas-Delgado, Oscar Fabelo, J. Alberto Rodríguez-Velamazán, Anne Stunault, Jiong-Peng Zhao, Xian-He Bu, Juan Rodríguez-Carvajal
Publikováno v: IUCrJ, Vol 7, Iss 5, Pp 803-813 (2020)
Polarized neutron diffraction is used to study in depth the magnetic properties of the heterometallic compound [NH2(CH3)2][FeIIIFeII(HCOO)6] and give insight into its magnetic behaviour, addressing open questions that will contribute to a better unde
Externí odkaz: https://doaj.org/article/ee07b1893c85463da6c7990b0c059139
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5
CO and CO2 adsorption mechanism in Fe(pz)[Pt(CN)4] probed by neutron scattering and density-functional theory calculations
Autor: Ángel Fernández-Blanco, Lucía Piñeiro-López, Mónica Jiménez-Ruiz, Stephane Rols, José Antonio Real, Jose Sanchez Costa, Roberta Poloni, J. Alberto Rodríguez-Velamazán
Publikováno v: Physical Chemistry Chemical Physics. 25:11338-11349
We study the binding mechanism of CO and CO2 in the porous spin-crossover compound Fe(pz)[Pt(CN)4] by combining neutron diffraction (ND), inelastic neutron scattering (INS) and density–functional theory (DFT) calculations.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8affd04ad195e513a9a4ad0d724bb3f0
https://doi.org/10.1039/d3cp00670k
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7
Akademický článek
Testing the Applicability of 119Sn Mössbauer Spectroscopy for the Internal Stress Study in Ternary and Co-Doped Ni-Mn-Sn Metamagnetic Alloys
Autor: I. Unzueta, J. López-García, V. Sánchez-Alarcos, V. Recarte, J. I. Pérez-Landazábal, J. A. Rodríguez-Velamazán, J. S. Garitaonandia, J. A. García, F. Plazaola
Publikováno v: Metals, Vol 11, Iss 3, p 450 (2021)
The influence of both the Co addition and the internal stress on the atomic level magnetism is comparatively studied in Ni50Mn37Sn13 and Ni45Mn38Sn13Co4 alloys by magnetic measurements and 119Sn Mössbauer spectroscopy. The results show that the satu
Externí odkaz: https://doaj.org/article/9a76d365f6bc4542bb56794aac50e935
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