(acknowledging DMR-1719875, through Spring 2023)
1 | Y. Tang, K. Su, L. Li, Y. Xu, S. Liu, K. Watanabe, T. Taniguchi, J. Hone, C.-M. Jian, C. Xu, K. F. Mak, and J. Shan, “Evidence of frustrated magnetic interactions in a Wigner–Mott insulator,” Nat. Nanotechnol. (2023). http://dx.doi.org/10.1038/s41565-022-01309-8 |
2 | Z. Chen, E. Turgut, Y. Jiang, K. X. Nguyen, M. J. Stolt, S. Jin, D. C. Ralph, G. D. Fuchs, and D. A. Muller, “Lorentz electron ptychography for imaging magnetic textures beyond the diffraction limit,” Nat. Nanotechnol. 19, 1165–1170 (2022). http://dx.doi.org/10.1038/s41565-022-01224-y |
3 | X. S. Zhang, K. X. Nguyen, E. Turgut, Z. Chen, C. S. Chang, Y.-T. Shao, G. D. Fuchs, and D. A. Muller, “Detection Limits for Imaging Chiral Magnetic Materials with 4-Dimensional Lorentz Scanning Transmission Electron Microscopy,” Microsc. Microanal. 28, 1698–1700 (2022). http://dx.doi.org/10.1017/S1431927622006742 |
4 | V. Gupta, R. Jain, Y. Ren, X. S. Zhang, H. F. Alnaser, A. Vashist, V. V. Deshpande, D. A. Muller, D. Xiao, T. D. Sparks, and D. C. Ralph, “Gate-Tunable Anomalous Hall Effect in a 3D Topological Insulator/2D Magnet van der Waals Heterostructure,” Nano Lett. 22, 7166–7172 (2022). http://dx.doi.org/10.1021/acs.nanolett.2c02440 |
5 | K. X. Nguyen, X. S. Zhang, E. Turgut, M. C. Cao, J. Glaser, Z. Chen, M. J. Stolt, C. S. Chang, Y.-T. Shao, S. Jin, G. D. Fuchs, and D. A. Muller, “Disentangling Magnetic and Grain Contrast in Polycrystalline Fe Ge Thin Films Using Four-Dimensional Lorentz Scanning Transmission Electron Microscopy,” Phys. Rev. Applied 17, 034066/1–16 (2022). http://dx.doi.org/10.1103/PhysRevApplied.17.034066 |
6 | Y. Zhou, D. N. Sheng, and E.-A. Kim, “Quantum Phases of Transition Metal Dichalcogenide Moiré Systems,” Phys. Rev. Lett. 128, 157602/1–6 (2022). http://dx.doi.org/10.1103/PhysRevLett.128.157602 |
7 | A. Bose, N. J. Schreiber, R. Jain, D.-F. Shao, H. P. Nair, J. Sun, X. S. Zhang, D. A. Muller, E. Y. Tsymbal, D. G. Schlom, and D. C. Ralph, “Tilted spin current generated by the collinear antiferromagnet ruthenium dioxide,” Nat Electron (2022). http://dx.doi.org/10.1038/s41928-022-00744-8 |
8 | Q. Liu, L. Zhu, X. S. Zhang, D. A. Muller, and D. C. Ralph, “Giant bulk spin–orbit torque and efficient electrical switching in single ferrimagnetic FeTb layers with strong perpendicular magnetic anisotropy,” Applied Physics Reviews 9, 021402/1–8 (2022). http://dx.doi.org/10.1063/5.0087260 |
9 | A. Bose, R. Jain, J. J. Bauer, R. A. Buhrman, C. A. Ross, and D. C. Ralph, “Origin of transverse voltages generated by thermal gradients and electric fields in ferrimagnetic-insulator/heavy-metal bilayers,” Phys. Rev. B 105, L100408/1-6 (2022). http://dx.doi.org/10.1103/PhysRevB.105.L100408 |
10 | R. Li, P. Li, D. Yi, L. J. Riddiford, Y. Chai, Y. Suzuki, D. C. Ralph, and T. Nan, “Anisotropic Magnon Spin Transport in Ultrathin Spinel Ferrite Thin Films─Evidence for Anisotropy in Exchange Stiffness,” Nano Lett. 22, 1167-1173/1–7 (2022). http://dx.doi.org/10.1021/acs.nanolett.1c04332 |
11 | L. Zhu, L. Zhu, and R. A. Buhrman, “Fully Spin-Transparent Magnetic Interfaces Enabled by the Insertion of a Thin Paramagnetic NiO Layer,” Phys. Rev. Lett. 126, 107204/1–7 (2021). http://dx.doi.org/10.1103/PhysRevLett.126.107204 |
12 | L. Zhu and R. A. Buhrman, “Absence of Significant Spin-Current Generation in Ti / Fe − Co − B Bilayers with Strong Interfacial Spin-Orbit Coupling,” Phys. Rev. Applied 15, L031001/1-6 (2021). http://dx.doi.org/10.1103/PhysRevApplied.15.L031001 |
13 | T. Li, S. Jiang, B. Shen, Y. Zhang, L. Li, Z. Tao, T. Devakul, K. Watanabe, T. Taniguchi, L. Fu, J. Shan, and K. F. Mak, “Quantum anomalous Hall effect from intertwined moiré bands,” Nature 600, 641-646/1–18 (2021). http://dx.doi.org/10.1038/s41586-021-04171-1 |
14 | T. Xu, Z. Chen, H.-A. Zhou, Z. Wang, Y. Dong, L. Aballe, M. Foerster, P. Gargiani, M. Valvidares, D. M. Bracher, T. Savchenko, A. Kleibert, R. Tomasello, G. Finocchio, S.-G. Je, M.-Y. Im, D. A. Muller, and W. Jiang, “Imaging the spin chirality of ferrimagnetic Néel skyrmions stabilized on topological antiferromagnetic Mn3Sn,” Phys. Rev. Materials 5, 084406/1–10 (2021). http://dx.doi.org/10.1103/PhysRevMaterials.5.084406 |
15 | D. Low, G. M. Ferguson, A. Jarjour, B. T. Schaefer, M. D. Bachmann, P. J. W. Moll, and K. C. Nowack, “Scanning SQUID microscopy in a cryogen-free dilution refrigerator,” Review of Scientific Instruments 92, 083704/1–11 (2021). http://dx.doi.org/10.1063/5.0047652 |
16 | L. Zhu, D. C. Ralph, and R. A. Buhrman, “Lack of Simple Correlation between Switching Current Density and Spin-Orbit-Torque Efficiency of Perpendicularly Magnetized Spin-Current-Generator–Ferromagnet Heterostructures,” Phys. Rev. Applied 15, 024059/1–8 (2021). http://dx.doi.org/10.1103/PhysRevApplied.15.024059 |
17 | J. Zhu, T. Li, A. F. Young, J. Shan, and K. F. Mak, “Quantum Oscillations in Two-Dimensional Insulators Induced by Graphite Gates,” Phys. Rev. Lett. 127, 247702/1–6 (2021). http://dx.doi.org/10.1103/PhysRevLett.127.247702 |
18 | X. Zhang, Z. Chen, and D. Muller, “How many detector pixels do we need for super-resolution ptychography?,” Microsc Microanal 27, 620-622/1–3 (2021). http://dx.doi.org/10.1017/S1431927621002622 |
19 | Y. Xu, A. Ray, Y.-T. Shao, S. Jiang, K. Lee, D. Weber, J. E. Goldberger, K. Watanabe, T. Taniguchi, D. A. Muller, K. F. Mak, and J. Shan, “Coexisting ferromagnetic–antiferromagnetic state in twisted bilayer CrI3,” Nat. Nanotechnol. 1–17 (2021). http://dx.doi.org/10.1038/s41565-021-01014-y |
20 | B. T. Schaefer and K. C. Nowack, “Electrically tunable and reversible magnetoelectric coupling in strained bilayer graphene,” Phys. Rev. B 103, 224426/1–11 (2021). http://dx.doi.org/10.1103/PhysRevB.103.224426 |
21 | S. Dutta, A. Bose, A. A. Tulapurkar, R. A. Buhrman, and D. C. Ralph, “Interfacial and bulk spin Hall contributions to fieldlike spin-orbit torque generated by iridium,” Phys. Rev. B 103, 184416/1–7 (2021). http://dx.doi.org/10.1103/PhysRevB.103.184416 |
22 | L. Zhu, D. C. Ralph, and R. A. Buhrman, “Unveiling the Mechanism of Bulk Spin‐Orbit Torques within Chemically Disordered FexPt1‐x Single Layers,” Adv. Funct. Mater. 31, 2103898/1–7 (2021). http://dx.doi.org/10.1002/adfm.202103898 |
23 | Z. Chen, T. Xu, G. Fuchs, W. Jiang, and D. Muller, “Determining the Chirality of Néel-type Magnetic Skyrmions by Phase Retrieval with Four-dimensional Lorentz Scanning Transmission Electron Microscopy,” Microsc Microanal 26, 2136–2137 (2020). http://dx.doi.org/10.1017/S1431927620020565 |
24 | Y. Wang, J. Balgley, E. Gerber, M. Gray, N. Kumar, X. Lu, J.-Q. Yan, A. Fereidouni, R. Basnet, S. J. Yun, D. Suri, H. Kitadai, T. Taniguchi, K. Watanabe, X. Ling, J. Moodera, Y. H. Lee, H. O. H. Churchill, J. Hu, L. Yang, E.-A. Kim, D. G. Mandrus, E. A. Henriksen, and K. S. Burch, “Modulation Doping via a Two-Dimensional Atomic Crystalline Acceptor,” Nano Lett. 20, 8446–8452 (2020). http://dx.doi.org/10.1021/acs.nanolett.0c03493 |
25 | A. Ray, Y.-T. Shao, Y. Xu, N. Sivadas, T. Li, Z. Wang, K. F. Mak, J. Shan, C. Fennie, and D. Muller, “Mapping Stacking and Stacking Defects in the 2D Ferromagnet CrI3,” Microsc Microanal 26, 636–638 (2020). http://dx.doi.org/10.1017/S1431927620015366 |
26 | V. Gupta, T. M. Cham, G. M. Stiehl, A. Bose, J. A. Mittelstaedt, K. Kang, S. Jiang, K. F. Mak, J. Shan, R. A. Buhrman, and D. C. Ralph, “Manipulation of the van der Waals Magnet Cr2Ge2Te6 by Spin–Orbit Torques,” Nano Lett. 7482–7488 (2020). http://dx.doi.org/10.1021/acs.nanolett.0c02965 |
27 | X.-X. Zhang, L. Li, D. Weber, J. Goldberger, K. F. Mak, and J. Shan, “Gate-tunable spin waves in antiferromagnetic atomic bilayers,” Nature Mater. 19, 838–842 (2020). http://dx.doi.org/10.1038/s41563-020-0713-9 |
28 | C. Jin, Z. Tao, K. Kang, K. Watanabe, T. Taniguchi, K. F. Mak, and J. Shan, “Imaging and control of critical fluctuations in two-dimensional magnets,” Nature Mater. 19, 1290–1294 (2020). http://dx.doi.org/10.1038/s41563-020-0706-8 |
29 | A. M. Park, Z. Chen, X. S. Zhang, L. Zhu, D. A. Muller, and G. D. Fuchs, “Operando control of skyrmion density in a Lorentz transmission electron microscope with current pulses,” Journal of Applied Physics 128, 233902 (2020). http://dx.doi.org/10.1063/5.0020373 |
30 | L. Zhu, X. S. Zhang, D. A. Muller, D. C. Ralph, and R. A. Buhrman, “Observation of Strong Bulk Damping‐Like Spin‐Orbit Torque in Chemically Disordered Ferromagnetic Single Layers,” Adv. Funct. Mater. 2005201 (2020). http://dx.doi.org/10.1002/adfm.202005201 |
31 | A. B. Mei, I. Gray, Y. Tang, J. Schubert, D. Werder, J. Bartell, D. C. Ralph, G. D. Fuchs, and D. G. Schlom, “Local Photothermal Control of Phase Transitions for On-Demand Room-Temperature Rewritable Magnetic Patterning,” Adv. Mater. 32, 2001080 (2020). http://dx.doi.org/https://doi.org/10.1002/adma.202001080 |
32 | L. Zhu, L. Zhu, S. Shi, D. C. Ralph, and R. A. Buhrman, “Energy‐Efficient Ultrafast SOT‐MRAMs Based on Low‐Resistivity Spin Hall Metal Au0.25Pt0.75,” Adv. Electron. Mater. 6, 1901131/1–7 (2020). http://dx.doi.org/10.1002/aelm.201901131 |
33 | L. Zhu, L. Zhu, D. C. Ralph, and R. A. Buhrman, “Origin of Strong Two-Magnon Scattering in Heavy-Metal/Ferromagnet/Oxide Heterostructures,” Phys. Rev. Applied 13, 034038 (2020). http://dx.doi.org/10.1103/PhysRevApplied.13.034038 |
34 | L. Li, S. Jiang, Z. Wang, K. Watanabe, T. Taniguchi, J. Shan, and K. F. Mak, “Electrical switching of valley polarization in monolayer semiconductors,” Phys. Rev. Materials 4, 104005 (2020). http://dx.doi.org/10.1103/PhysRevMaterials.4.104005 |
35 | S. Jiang, H. Xie, J. Shan, and K. F. Mak, “Exchange magnetostriction in two-dimensional antiferromagnets,” Nature Mater. 1–13 (2020). http://dx.doi.org/10.1038/s41563-020-0712-x |
36 | E. Gerber, Y. Yao, T. A. Arias, and E.-A. Kim, “Ab Initio Mismatched Interface Theory of Graphene on α − RuCl3: Doping and Magnetism,” Phys. Rev. Lett. 124, 106804/1–5 (2020). http://dx.doi.org/10.1103/PhysRevLett.124.106804 |
37 | X. Zhang, E. Padgett, L. Zhu, R. Buhrman, and D. Muller, “A Robust Basis for Grain Identification in Polycrystalline Thin Film Devices Using Cepstrum Transforms of 4D-STEM Diffraction Pattern,” Microsc Microanal 26, 1620–1622 (2020). http://dx.doi.org/10.1017/S1431927620018759 |
38 | B. T. Schaefer, L. Wang, A. Jarjour, K. Watanabe, T. Taniguchi, P. L. McEuen, and K. C. Nowack, “Magnetic field detection limits for ultraclean graphene Hall sensors,” Nature Commun. 11, 4163 (2020). http://dx.doi.org/10.1038/s41467-020-18007-5 |
39 | A. Bose, J. N. Nelson, X. S. Zhang, P. Jadaun, R. Jain, D. G. Schlom, D. C. Ralph, D. A. Muller, K. M. Shen, and R. A. Buhrman, “Effects of Anisotropic Strain on Spin–Orbit Torque Produced by the Dirac Nodal Line Semimetal IrO2,” ACS Appl. Mater. Interfaces 12, 55411–55416 (2020). http://dx.doi.org/https://doi.org/10.1021/acsami.0c16485 |
40 | L. Zhu and R. A. Buhrman, “Maximizing Spin-Orbit-Torque Efficiency of Pt / Ti Multilayers: Trade-Off Between Intrinsic Spin Hall Conductivity and Carrier Lifetime,” Phys. Rev. Applied 12, 051002/1–6 (2019). http://dx.doi.org/10.1103/PhysRevApplied.12.051002 |
41 | G. M. Stiehl, R. Li, V. Gupta, I. E. Baggari, S. Jiang, H. Xie, L. F. Kourkoutis, K. F. Mak, J. Shan, R. A. Buhrman, and D. C. Ralph, “Layer-dependent spin-orbit torques generated by the centrosymmetric transition metal dichalcogenide β − MoTe2,” Phys. Rev. B 100, 184402 (2019). http://dx.doi.org/10.1103/PhysRevB.100.184402 |
42 | G. M. Stiehl, D. MacNeill, N. Sivadas, I. El Baggari, M. H. D. Guimarães, N. D. Reynolds, L. F. Kourkoutis, C. J. Fennie, R. A. Buhrman, and D. C. Ralph, “Current-Induced Torques with Dresselhaus Symmetry Due to Resistance Anisotropy in 2D Materials,” ACS Nano 13, 2599–2605 (2019). http://dx.doi.org/10.1021/acsnano.8b09663 |
43 | L. Zhu, L. Zhu, M. Sui, D. C. Ralph, and R. A. Buhrman, “Variation of the giant intrinsic spin Hall conductivity of Pt with carrier lifetime,” Sci. Adv. 5, 1–9 (2019). http://dx.doi.org/10.1126/sciadv.aav8025 |
44 | L. Zhu, D. C. Ralph, and R. A. Buhrman, “Effective Spin-Mixing Conductance of Heavy-Metal–Ferromagnet Interfaces,” Phys. Rev. Lett. 123, 057203/1–7 (2019). http://dx.doi.org/10.1103/PhysRevLett.123.057203 |
45 | L. Zhu, L. Zhu, S. Shi, Sui, Manling, D. C. Ralph, and R. A. Buhrman, “Enhancing Spin-Orbit Torque by Strong Interfacial Scattering From Ultrathin Insertion Layers,” Phys. Rev. Applied 11, 061004/1–5 (2019). http://dx.doi.org/10.1103/PhysRevApplied.11.061004 |
46 | Y. Ou, Z. Wang, C. S. Chang, H. P. Nair, H. Paik, N. Reynolds, D. C. Ralph, D. A. Muller, D. G. Schlom, and R. A. Buhrman, “Exceptionally High, Strongly Temperature Dependent, Spin Hall Conductivity of SrRuO3,” Nano Lett. published online (2019). http://dx.doi.org/10.1021/acs.nanolett.9b00729 |
47 | L. Zhu, K. Sobotkiewich, X. Ma, X. Li, D. C. Ralph, and R. A. Buhrman, “Strong Damping-Like Spin-Orbit Torque and Tunable Dzyaloshinskii-Moriya Interaction Generated by Low-Resistivity Pd1−x Ptx Alloys,” Advanced Functional Materials 1805822/1–8 (2019). http://dx.doi.org/10.1002/adfm.201805822 |
48 | L. Zhu, D. C. Ralph, and R. A. Buhrman, “Spin-Orbit Torques in Heavy-Metal–Ferromagnet Bilayers with Varying Strengths of Interfacial Spin-Orbit Coupling,” Phys. Rev. Lett. 122, 077201/1–6 (2019). http://dx.doi.org/10.1103/PhysRevLett.122.077201 |
49 | M. D. Bachmann, G. M. Ferguson, F. Theuss, T. Meng, C. Putzke, T. Helm, K. R. Shirer, Y.-S. Li, K. A. Modic, M. Nicklas, M. König, D. Low, S. Ghosh, A. P. Mackenzie, F. Arnold, E. Hassinger, R. D. McDonald, L. E. Winter, E. D. Bauer, F. Ronning, B. J. Ramshaw, K. C. Nowack, and P. J. W. Moll, “Spatial control of heavy-fermion superconductivity in CeIrIn5,” Science 366, 221–226 (2019). http://dx.doi.org/10.1126/science.aao6640 |
50 | S. Jiang, L. Li, Z. Wang, J. Shan, and K. F. Mak, “Spin tunnel field-effect transistors based on two-dimensional van der Waals heterostructures,” Nature Electronics 2, 159–163 (2019). http://dx.doi.org/10.1038/s41928-019-0232-3 |
51 | T. Li, S. Jiang, N. Sivadas, Z. Wang, Y. Xu, D. Weber, J. E. Goldberger, K. Watanabe, T. Taniguchi, C. J. Fennie, K. Fai Mak, and J. Shan, “Pressure-controlled interlayer magnetism in atomically thin CrI3,” Nature Mater. 18, 1303–1308 (2019). http://dx.doi.org/10.1038/s41563-019-0506-1 |
52 | K. F. Mak, J. Shan, and D. C. Ralph, “Probing and controlling magnetic states in 2D layered magnetic materials,” Nature Rev Phys. 1, 646–661 (2019). http://dx.doi.org/10.1038/s42254-019-0110-y |
53 | I. Gray, T. Moriyama, N. Sivadas, G. M. Stiehl, J. T. Heron, R. Need, B. J. Kirby, D. H. Low, K. C. Nowack, D. G. Schlom, D. C. Ralph, T. Ono, and G. D. Fuchs, “Spin Seebeck Imaging of Spin-Torque Switching in Antiferromagnetic Pt / NiO Heterostructures,” Phys. Rev. X 9, 041016/1–10 (2019). http://dx.doi.org/10.1103/PhysRevX.9.041016 |
54 | R. Yan, G. Khalsa, B. T. Schaefer, A. Jarjour, S. Rouvimov, K. C. Nowack, H. G. Xing, and D. Jena, “Thickness dependence of superconductivity in ultrathin NbS2,” Applied Physics Express 12, 023008/1–5 (2019). http://dx.doi.org/10.7567/1882-0786/aaff89 |
55 | I. Gray, G. M. Stiehl, J. T. Heron, A. B. Mei, D. G. Schlom, R. Ramesh, D. C. Ralph, and G. D. Fuchs, “Imaging uncompensated moments and exchange-biased emergent ferromagnetism in FeRh thin films,” Phys. Rev. Materials 3, 124407/1–15 (2019). http://dx.doi.org/10.1103/PhysRevMaterials.3.124407 |
56 | E. Turgut, H. Paik, K. Nguyen, D. A. Muller, D. G. Schlom, and G. D. Fuchs, “Engineering Dzyaloshinskii-Moriya interaction in B20 thin-film chiral magnets,” Phys. Rev. Materials 2, 074404/1–8 (2018). http://dx.doi.org/10.1103/PhysRevMaterials.2.074404 |
57 | M.-H. Nguyen, S. Shi, G. E. Rowlands, S. V. Aradhya, C. L. Jermain, D. C. Ralph, and R. A. Buhrman, “Efficient switching of 3-terminal magnetic tunnel junctions by the giant spin Hall effect of Pt85Hf15 alloy,” Appl. Phys. Lett. 112, 062404/1–6 (2018). http://dx.doi.org/10.1063/1.5021077 |
58 | L. J. Zhu, D. C. Ralph, and R. A. Buhrman, “Irrelevance of magnetic proximity effect to spin-orbit torques in heavy-metal/ferromagnet bilayers,” Phys. Rev. B 98, 134406/1–5 (2018). http://dx.doi.org/10.1103/PhysRevB.98.134406 |
59 | M. H. D. Guimarães, G. M. Stiehl, D. MacNeill, N. D. Reynolds, and D. C. Ralph, “Spin–Orbit Torques in NbSe2/Permalloy Bilayers,” Nano Lett. 18, 1311–1316 (2018). http://dx.doi.org/10.1021/acs.nanolett.7b04993 |
60 | J. L. Grab, A. E. Rugar, and D. C. Ralph, “Creation of localized skyrmion bubbles in Co/Pt bilayers using a spin-valve nanopillar,” Phys. Rev. B 97, 184424/1–9 (2018). http://dx.doi.org/10.1103/PhysRevB.97.184424 |
61 | Y.-T. Hsu, K. Park, and E.-A. Kim, “Hybridization-induced interface states in a topological-insulator–ferromagnetic-metal heterostructure,” Phys. Rev. B 96, 235433/1–5 (2017). http://dx.doi.org/10.1103/PhysRevB.96.235433 |