Evidence for a coupled magnetic-crystallographic transition in La0.9Ce0.1Fe12B6

Autor: David Koch, Tom Faske, L. V. B. Diop, Wolfgang Donner, Mehdi Amara, Olivier Isnard

Publikováno v: Physical Review B. 104

Competition between antiferromagnetic (AFM), paramagnetic (PM), and ferromagnetic (FM) states in ${\mathrm{La}}_{0.9}{\mathrm{Ce}}_{0.1}{\mathrm{Fe}}_{12}{\mathrm{B}}_{6}$ compound is investigated by means of temperature- and magnetic field-dependent

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bcc6b5674ab07edd32034a3a0ee4537a
https://doi.org/10.1103/physrevb.104.134412

Temperature and pressure dependence of the Yb valence state in YbMn∼0.17Si∼1.89

Autor: B. Tegomo Chiogo, N. P. Martin, L. V. B. Diop, B. Malaman, D. Malterre, F. Baudelet, L. Nataf, T. Mazet

Publikováno v: Journal of Applied Physics. 132:205902

Single crystals of the non-stoichiometric YbMn∼0.17Si∼1.89 intermetallic compound were investigated by room-temperature x-ray diffraction as well as by temperature and pressure-dependent x-ray absorption experiments at the Yb L3 edge. The crystal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5e334a9c73bb8a26137bee36a9dd00d
https://doi.org/10.1063/5.0125875

Investigation of the itinerant metamagnetic system Hf0.75Ta0.25Fe2 under extreme conditions of pressure or magnetic field

Autor: O. Prokhnenko, L. V. B. Diop, Géraldine Ballon, J.P. Itié, Olivier Isnard

Publikováno v: Intermetallics
Intermetallics, 2021, 129, pp.107054. ⟨10.1016/j.intermet.2020.107054⟩
Intermetallics, Elsevier, 2021, 129, pp.107054. ⟨10.1016/j.intermet.2020.107054⟩

International audience; The magnetic and structural properties of Hf0.75Ta0.25Fe2 have been investigated under the duplicate conditions, i.e., high magnetic fields and high pressures, by combining magnetization measurements up to 26 T, neutron powder

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b1ec3717fe9fe5e7eeb253ea604919b
https://hal.science/hal-03185229/document

Giant spontaneous resistivity jumps in La0.825Ce0.175Fe12B6

Autor: L. V. B. Diop, O. Isnard

Publikováno v: Applied Physics Letters
Applied Physics Letters, American Institute of Physics, 2021, 119 (3), pp.032403. ⟨10.1063/5.0059731⟩

International audience; We report the observation of spontaneous and very sharp resistivity jumps at low temperatures in the antiferromagnetic itinerant-electron system La0.825Ce0.175Fe12B6. This intermetallic compound undergoes multiple magnetic tra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f85a1d18fb201a7ab65578eaae0faae3
https://hal.archives-ouvertes.fr/hal-03325794/document

Exchange stiffness of ferromagnets

Autor: Oliver Gutfleisch, M. D. Kuz'min, L. V. B. Diop, Konstantin P. Skokov, Iliya Radulov

Publikováno v: The European Physical Journal Plus
The European Physical Journal Plus, Springer, 2020, 135 (3), ⟨10.1140/epjp/s13360-020-00294-y⟩
The European Physical Journal Plus, 2020, 135 (3), ⟨10.1140/epjp/s13360-020-00294-y⟩

Spin-wave and exchange stiffness constants of 22 ferromagnetic compounds have been deduced from their spontaneous magnetization, $$M_{\mathrm{s}}$$ , by using an improved technique. The improvement consists in utilizing the entire $$M_{\mathrm{s}}(T)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::044faae6ff000f6d60f7aa6c460122dc
https://doi.org/10.1140/epjp/s13360-020-00294-y