Zobrazeno 1 - 10
of 339
pro vyhledávání: '"Piamonteze C"'
Autor:
Tortarolo, M., Goijman, D., Barral, M. A., Di Napoli, S., Martínez, A. A. Pérez, Ramírez, G., Sarmiento, A., Gómez, J., Zakharova, A., Bayram, S. E., Stramaglia, F., Vaz, C. A. F., Milano, J., Piamonteze, C.
We present an experimental study of the magnetoelectric coupling (MEC) in the Fe-Ga/PMN-PT thin film multiferroic composite by means of x-ray magnetic circular dichroism (XMCD) and ferromagnetic resonance (FMR). Our measurements show evidence for a c
Externí odkaz:
http://arxiv.org/abs/2404.04383
Autor:
Di Capua, R., Verma, M., Radovic, M., Strocov, V. N., Piamonteze, C., Guedes, E. B., Plumb, N., Chen, Yu, D'Antuono, M., De Luca, G. M., Di Gennaro, E., Stornaiuolo, D., Preziosi, D., Jouault, B., Granozio, F. Miletto, Sambri, A., Pentcheva, R., Ghiringhelli, G., Salluzzo, M.
Multi-orbital physics in quasi-two-dimensional electron gases (q2DEGs) triggers unique phenomena not observed in bulk materials, such as unconventional superconductivity and magnetism. Here, we investigate the mechanism of orbital selective switching
Externí odkaz:
http://arxiv.org/abs/2109.06138
Autor:
Hernandez, N. Ortiz, Salman, Z., Prokscha, T., Suter, A., Mardegan, J. R. L., Moser, S., Zakharova, A., Piamonteze, C., Staub, und U.
Publikováno v:
Phys. Rev. B 103, 224429 (2021)
We present a detailed low-energy muon spin rotation and x-ray magnetic circular dichroism (XMCD) investigation of the magnetic structure in ultra-thin tetragonal (T)-CuO films. The measured muon-spin polarization decay indicates an antiferromagnetic
Externí odkaz:
http://arxiv.org/abs/2102.00206
Autor:
De Luca, G., Spring, J., Bashir, U., Campanini, M., Totani, R., Dominguez, C., Zakharova, A., Döbeli, M., Greber, T., Rossell, M. D., Piamonteze, C., Gibert, M.
Publikováno v:
APL Materials 9, 081111 (2021)
The field of oxide spintronics can strongly benefit from the establishment of robust ferromagnetic insulators with near room-temperature Curie temperature. Here we investigate the structural, electronic, and magnetic properties of atomically-precise
Externí odkaz:
http://arxiv.org/abs/2101.07530
Autor:
Mardegan, J. R. L., Christensen, D. V., Chen, Y. Z., Parchenko, S., Avula, S. R. V., Ortiz-Hernandez, N., Decker, M., Piamonteze, C., Pryds, N., Staub, U.
Publikováno v:
Phys. Rev. B 99, 134423 (2019)
The magnetic and electronic nature of the gamma-Al2O3/SrTiO3 spinel/perovskite interface is explored by means of x-ray absorption spectroscopy. Polarized x-ray techniques combined with atomic multiplet calculations reveal localized magnetic moments a
Externí odkaz:
http://arxiv.org/abs/1901.09601
Autor:
De Luca, G. M., Di Capua, R., Di Gennaro, E., Sambri, A., Granozio, F. Miletto, Ghiringhelli, G., Betto, D., Piamonteze, C., Brookes, N. B., Salluzzo, M.
Publikováno v:
Phys. Rev. B 98, 115143 (2018)
We used x-ray absorption spectroscopy to study the orbital symmetry and the energy band splitting of (111) LaAlO${_3}$/SrTiO${_3}$ and LaAlO${_3}$/EuTiO${_3}$/SrTiO${_3}$ heterostructures, hosting a quasi two-dimensional electron system (q2DES), and
Externí odkaz:
http://arxiv.org/abs/1806.10519
Autor:
Staub, U., Rettig, L., Bothschafter, E. M., Windsor, Y. W., Ramakrishnan, M., Avula-Venkata, S. R., Dreiser, J., Piamonteze, C., Scagnoli, V., Mukherjee, S., Niedermayer, C., Medarde, M., Pomjakushina, E.
Publikováno v:
Phys. Rev. B 96, 174408 (2017)
X-ray magnetic circular and linear dichroism (XMCD and XMLD) have been used to investigate the Fe magnetic response during the spin reorientation transition (SRT) in TmFeO3. These experiments are complemented with resonant magnetic diffraction experi
Externí odkaz:
http://arxiv.org/abs/1705.00827
Autor:
Windsor, Y. W., Piamonteze, C., Ramakrishnan, M., Scaramucci, A., Rettig, L., Huever, J. A., Bothschafter, E. M., Alberca, A., Avula, S. R. V., Noheda, B., Staub, U.
Publikováno v:
Phys. Rev. B 95, 224413 (2017)
Using resonant soft X-ray techniques we follow the magnetic behavior of a strained epitaxial film of CoCr2O4, a type-II multiferroic. The film is [110]-oriented, such that both the ferroelectric and ferromagnetic moments can coexist in plane. X-ray m
Externí odkaz:
http://arxiv.org/abs/1702.08541
Non-magnetic ground state of Ni adatoms on Te-terminated bismuth chalcogenide topological insulators
Autor:
Vondracek, M., Honolka, J., Cornils, L., Warmuth, J., Zhou, L., Kamlapure, A., Khajetoorians, A. A., Wiesendanger, R., Wiebe, J., Michiardi, M., Bianchi, M., Miwa, J., Barreto, L., Hofmann, P., Piamonteze, C., Minar, J., Mankovsky, S., Borek, St., Ebert, H., Schueler, M., Wehling, T., Mi, J. -L., Iversen, B. -B.
Publikováno v:
Phys. Rev. B 94, 161114 (2016)
We report on the quenching of single Ni adatom moments on Te-terminated Bi2Te2Se and Bi2Te3 topological insulator surfaces. The effect becomes manifested as a missing X-ray magnetic circular dichroism for resonant L3,2 transitions into partially fill
Externí odkaz:
http://arxiv.org/abs/1603.09689
Autor:
Sen, K., Perret, E., Alberca, A., Uribe-Laverde, M. A., Marozau, I., Yazdi-Rizi, M., Mallett, B. P. P., Marsik, P., Piamonteze, C., Khaydukov, Y., Döbeli, M., Keller, T., Biškup, N., Varela, M., Vašátko, J., Munzar, D., Bernhard, C.
Publikováno v:
Phys. Rev. B 93, 205131 (2016)
With x-ray absorption spectroscopy and polarized neutron reflectometry we studied how the magnetic proximity effect at the interface between the cuprate high-$T_C$ superconductor $\mathrm{YBa_2Cu_3O_7}$ (YBCO) and the ferromagnet $\mathrm{La_{2/3}Ca_
Externí odkaz:
http://arxiv.org/abs/1601.03844