activity
20162022
most citedElectrically controlled long-distance spin transport through an antiferromagnetic insulator

603 citations · 1.4k across the 22 of their papers we have counts for

collaborators

22 papers

cond-mat.mtrl-sci2022★ 6 cited

Identifiying the domain wall spin structure in current-induced switching of antiferromagnetic NiO/Pt

Christin Schmitt, Luis Sanchez-Tejerina, Mariia Filianina +9

The understanding of antiferromagnetic domain walls, which are the interface between domains with different Néel order orientations, is a crucial aspect to enable the use of antife…

cond-mat.mtrl-sci2022★ 4 cited

Indirect optical manipulation of the antiferromagnetic order of insulating NiO by ultrafast interfacial energy transfer

Stephan Wust, Christopher Seibel, Hendrik Meer +14

We report the ultrafast, (sub)picosecond reduction of the antiferromagnetic order of the insulating NiO thin film in a Pt/NiO bilayer. This reduction of the antiferromagnetic order…

cond-mat.mtrl-sci2022★ 20 cited

Strain-induced Shape Anisotropy in Antiferromagnetic Structures

Hendrik Meer, Olena Gomonay, Christin Schmitt +9

We demonstrate how shape-induced strain can be used to control antiferromagnetic order in NiO/Pt thin films. For rectangular elements patterned along the easy and hard magnetocryst…

cond-mat.mes-hall2022★ 6 cited

Magnetic sensitivity distribution of Hall devices in antiferromagnetic switching experiments

F. Schreiber, H. Meer, C. Schmitt +4

We analyze the complex impact of the local magnetic spin texture on the transverse Hall-type voltage in device structures utilized to measure magnetoresistance effects. We find a h…

cond-mat.mtrl-sci2021★ 13 cited

Effective strain manipulation of the antiferromagnetic state of polycrystalline NiO

A. Barra, A. Ross, O. Gomonay +9

As a candidate material for applications such as magnetic memory, polycrystalline antiferromagnets offer the same robustness to external magnetic fields, THz spin dynamics, and lac…

cond-mat.mtrl-sci2020★ 29 cited

Identifying the origin of the non-monotonic thickness dependence of spin-orbit torques and interfacial Dzyaloshinskii-Moriya interaction in a ferrimagnetic insulator heterostructure

Shilei Ding, Lorenzo Baldrati, Andrew Ross +7

Electrical manipulation of magnetism via spin-orbit torques (SOTs) promises efficient spintronic devices. In systems comprising magnetic insulators and heavy metals, SOTs have star…

cond-mat.mes-hall2020★ 15 cited

An insulating doped antiferromagnet with low magnetic symmetry as a room temperature spin conduit

Andrew Ross, Romain Lebrun, Lorenzo Baldrati +10

We report room temperature long-distance spin transport of magnons in antiferromagnetic thin film hematite doped with Zn. The additional dopants significantly alter the magnetic an…

cond-mat.mtrl-sci2020★ 13 cited

Electrical detection of the spin reorientation transition in antiferromagnetic TmFeO thin films by spin Hall magnetoresistance

Sven Becker, Andrew Ross, Romain Lebrun +7

TmFeO (TFO) is a canted antiferromagnet that undergoes a spin reorientation transition (SRT) with temperature between 82 K and 94 K in single crystals. In this temperature regi…

cond-mat.mtrl-sci2020★ 84 cited

Direct imaging of current-induced antiferromagnetic switching revealing a pure thermomagnetoelastic switching mechanism

H. Meer, F. Schreiber, C. Schmitt +6

We unravel the origin of current-induced magnetic switching of insulating antiferromagnet/heavy metal systems. We utilize concurrent transport and magneto-optical measurements to i…

cond-mat.mtrl-sci2020★ 36 cited

Identification of Néel vector orientation in antiferromagnetic domains switched by currents in NiO/Pt thin films

Christin Schmitt, Lorenzo Baldrati, Luis Sanchez-Tejerina +14

Understanding the electrical manipulation of antiferromagnetic order is a crucial aspect to enable the design of antiferromagnetic devices working at THz frequency. Focusing on col…

cond-mat.mes-hall2020★ 35 cited

Concurrent magneto-optical imaging and magneto-transport readout of electrical switching of insulating antiferromagnetic thin films

Felix Schreiber, Lorenzo Baldrati, Christin Schmitt +4

We demonstrate stable and reversible current induced switching of large-area () antiferromagnetic domains in NiO/Pt by performing concurrent transport and magneto-opti…

cond-mat.mtrl-sci2020★ 61 cited

Efficient spin torques in antiferromagnetic CoO/Pt quantified by comparing field- and current- induced switching

Lorenzo Baldrati, Christin Schmitt, Olena Gomonay +5

We achieve current-induced switching in collinear insulating antiferromagnetic CoO/Pt, with fourfold in-plane magnetic anisotropy. This is measured electrically by spin Hall magnet…

cond-mat.mtrl-sci2019★ 19 cited

Spin structure and spin Hall magnetoresistance of epitaxial thin films of the insulating non-collinear antiferromagnet SmFeO

T Hajiri, L. Baldrati, R. Lebrun +10

We report a combined study of imaging the antiferromagnetic (AFM) spin structure and measuring the spin Hall magnetoresistance (SMR) in epitaxial thin films of the insulating non-c…

cond-mat.mtrl-sci2019★ 82 cited

Propagation length of antiferromagnetic magnons governed by domain configurations

Andrew Ross, Romain Lebrun, Olena Gomonay +13

The compensated magnetic order and characteristic, terahertz frequencies of antiferromagnetic materials makes them promising candidates to develop a new class of robust, ultra-fast…

cond-mat.mtrl-sci2019★ 6 cited

Impact of electromagnetic fields and heat on spin transport signals in YFeO

Joel Cramer, Lorenzo Baldrati, Andrew Ross +3

Exploring new strategies to perform magnon logic is a key requirement for the further development of magnon-based spintronics. In this work, we realize a three-terminal magnon tran…

cond-mat.mes-hall2019★ 1 cited

Anisotropies and magnetic phase transitions in insulating antiferromagnets determined by a Spin-Hall magnetoresistance probe

Romain Lebrun, Andrew Ross, Olena Gomonay +8

We demonstrate that we can determine the antiferromagnetic anisotropies and the bulk Dzyaloshinskii-Moriya fields of the insulating iron oxide hematite, α-Fe2O3, using a surface se…

cond-mat.mtrl-sci2018★ 165 cited

Mechanism of Néel order switching in antiferromagnetic thin films revealed by magnetotransport and direct imaging

Lorenzo Baldrati, Olena Gomonay, Andrew Ross +12

We probe the current-induced magnetic switching of insulating antiferromagnet/heavy metals systems, by electrical spin Hall magnetoresistance measurements and direct imaging, ident…

cond-mat.mtrl-sci2018★ 23 cited

Spin-dependent (inverse) spin Hall effect in CoFeB

Joel Cramer, Andrew Ross, Samridh Jaiswal +3

In ferromagnetic metals, the interconversion of spin and charge currents via the spin Hall effect and its inverse can depend on the angle between the ferromagnets magnetization and…

cond-mat.mes-hall2018★ 603 cited

Electrically controlled long-distance spin transport through an antiferromagnetic insulator

R. Lebrun, A. Ross, S. A. Bender +6

Spintronics uses spins, the intrinsic angular momentum of electrons, as an alternative for the electron charge. Its long-term goal is in the development of beyond-Moore low dissipa…

cond-mat.mtrl-sci2018★ 36 cited

Spin transport in multilayer systems with fully epitaxial NiO thin films

Lorenzo Baldrati, Christoph Schneider, Tomohiko Niizeki +5

We report on the generation and transport of thermal spin currents in fully epitaxial γ-FeO/NiO(001)/Pt and FeO/NiO(001)/Pt trilayers. A thermal gradient, perpendic…

cond-mat.mtrl-sci2017★ 144 cited

Full angular dependence of the spin Hall and ordinary magnetoresistance in epitaxial antiferromagnetic NiO(001)/Pt thin films

Lorenzo Baldrati, Andrew Ross, Tomohiko Niizeki +11

We report the observation of the three-dimensional angular dependence of the spin Hall magnetoresistance (SMR) in a bilayer of the epitaxial antiferromagnetic insulator NiO(001) an…

cond-mat.mtrl-sci2016★ 23 cited

Strain-controlled responsiveness of slave half-doped manganite La0.5Sr0.5MnO3 layers inserted in BaTiO3 ferroelectric tunnel junctions

Greta Radaelli, Diego Gutiérrez, Mengdi Qian +7

Insertion of layers displaying field-induced metal-to-insulator (M/I) transition in ferroelectric tunnel junctions (FTJs) has received attention as a potentially useful way to enla…