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Controlling spin current polarization through non-collinear antiferromagnetism

Nature Communications Springer Nature 11:1 (2020) 4671

Authors:

T Nan, CX Quintela, J Irwin, G Gurung, DF Shao, J Gibbons, N Campbell, K Song, S-Y Choi, L Guo, RD Johnson, P Manuel, RV Chopdekar, I Hallsteinsen, T Tybell, PJ Ryan, J-W Kim, Y Choi, PG Radaelli, DC Ralph, EY Tsymbal, MS Rzchowski, CB Eom
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Tunable and enhanced Rashba spin-orbit coupling in iridate-manganite heterostructures

Physical Review B American Physical Society (APS) 102:12 (2020) 125145

Authors:

TS Suraj, Ganesh Ji Omar, Hariom Jani, MM Juvaid, Sonu Hooda, Anindita Chaudhuri, Andrivo Rusydi, K Sethupathi, Thirumalai Venkatesan, Ariando Ariando, MS Ramachandra Rao
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Emergent helical texture of electric dipoles

(2020)

Authors:

Dmitry D Khalyavin, Roger D Johnson, Fabio Orlandi, Paolo G Radaelli, Pascal Manuel, Alexei A Belik
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Absolute crystal and magnetic chiralities in the langasite compound Ba3NbFe3Si2O14 determined by polarized neutron and x-ray scattering

Physical Review B American Physical Society 102:5 (2020) 54417

Authors:

N Qureshi, A Bombardi, S Picozzi, P Barone, E Lelièvre-Berna, X Xu, C Stock, Df McMorrow, Alexander Hearmon, Federica Fabrizi, Paolo Radaelli, S-W Cheong, Lc Chapon

Abstract:

We present a combined polarized neutron and x-ray scattering study on two enantiopure langasite single crystals aimed at the determination of their absolute structural and magnetic chiralities and the coupling between them. Our respective data sets unambiguously reveal two samples of opposite structural chirality, where the magnetic handedness is pinned by the structural one. Simple energy considerations of the magnetic exchange and single-ion anisotropy parameters reveal that it is not the Dzyaloshinskii-Moriya interaction but the local single-ion anisotropy on a triangular plaquette which plays a key role in stabilizing one of the two magnetic helices.
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Emergent helical texture of electric dipoles

Science American Association for the Advancement of Science 369:6504 (2020) 680-684

Authors:

Dmitry Khalyavin, Roger Johnson, Fabio Orlandi, Paolo Radaelli, Pascal Manuel, Alexei A Belik
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