Nodal superconductivity in miassite Rh17S15

Autor: Hyunsoo Kim, Makariy A. Tanatar, Marcin Kończykowski, Romain Grasset, Udhara S. Kaluarachchi, Serafim Teknowijoyo, Kyuil Cho, Aashish Sapkota, John M. Wilde, Matthew J. Krogstad, Sergey L. Bud’ko, Philip M. R. Brydon, Paul C. Canfield, Ruslan Prozorov

Publikováno v: Communications Materials, Vol 5, Iss 1, Pp 1-7 (2024)

Abstract Solid state chemistry has produced a plethora of materials with properties not found in nature. For example, high-temperature superconductivity in cuprates is drastically different from the superconductivity of naturally occurring metals and

Externí odkaz: https://doaj.org/article/52eac69cee74447f8de14555bd088063

Controllable suppression of the unconventional superconductivity in bulk and thin-film Sr_{2}RuO_{4} via high-energy electron irradiation

Autor: Jacob P. Ruf, Hilary M. L. Noad, Romain Grasset, Ludi Miao, Elina Zhakina, Philippa H. McGuinness, Hari P. Nair, Nathaniel J. Schreiber, Naoki Kikugawa, Dmitry Sokolov, Marcin Konczykowski, Darrell G. Schlom, Kyle M. Shen, Andrew P. Mackenzie

Publikováno v: Physical Review Research, Vol 6, Iss 3, p 033178 (2024)

In bulk Sr_{2}RuO_{4}, the strong sensitivity of the superconducting transition temperature T_{c} to nonmagnetic impurities provides robust evidence for a superconducting order parameter that changes sign around the Fermi surface. In superconducting

Externí odkaz: https://doaj.org/article/998a50d2a1e04706a1e2833e7a438d71

Terahertz pulse-driven collective mode in the nematic superconducting state of Ba1−x K x Fe2As2

Autor: Romain Grasset, Kota Katsumi, Pierre Massat, Hai-Hu Wen, Xian-Hui Chen, Yann Gallais, Ryo Shimano

Publikováno v: npj Quantum Materials, Vol 7, Iss 1, Pp 1-6 (2022)

Abstract We investigate the collective mode response of the iron-based superconductor Ba1−x K x Fe2As2 using intense terahertz (THz) light. In the superconducting state a THz Kerr signal is observed and assigned to nonlinear THz coupling to superco

Externí odkaz: https://doaj.org/article/e27f90d31e8a4c58bfa03ffc23ae1a85

Effect of high-energy electron irradiation on the electronic properties of beta-gallium oxide

Autor: Thi-Huong Dang, Marcin Konczykowski, Viatcheslav I. Safarov, Elie Hammou, Lucia Romero Vega, Nadège Ollier, Romain Grasset, Antonino Alessi, Henri-Jean M. Drouhin, Henri Jaffrès, Valery Y. Davydov, Agnieszka Wołoś, David J. Rogers, Vinod E. Sandana, Philippe Bove, Féréchteh H. Teherani

Publikováno v: Oxide-based Materials and Devices XIII
Oxide-based Materials and Devices XIII, Jan 2022, San Francisco, France. pp.60, ⟨10.1117/12.2622559⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf5564e9e30c7bf1dea293e2d58b9c1b
https://hal.science/hal-03798630

Spin Injection Efficiency at Metallic Interfaces Probed by THz Emission Spectroscopy

Autor: Yannis Laplace, Jérôme Tignon, Sukhdeep Dhillon, Romain Grasset, Sophie Collin, Henri Jaffrès, James Boust, Luca Perfetti, Henri-Jean Drouhin, E. Rongione, Jingwei Dong, Juliette Mangeney, Jean-Marie George, Thi Huong Dang, J. Hawecker

Publikováno v: Advanced Optical Materials
Advanced Optical Materials, Wiley, 2021, pp.2100412. ⟨10.1002/adom.202100412⟩
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Advanced Optical Materials, 2021, pp.2100412. ⟨10.1002/adom.202100412⟩

International audience; Terahertz (THz) spin-to-charge conversion has become an increasingly important process for THz pulse generation and as a tool to probe ultrafast spin interactions at magnetic interfaces. However, its relation to traditional, s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c7e157b8b83a5266b2ae0cc7b9cb254