Lorentz electron ptychography for imaging magnetic textures beyond the diffraction limit
Nanoscale spin textures, especially magnetic skyrmions, have attracted intense interest as
candidate high-density and power-efficient information carriers for spintronic devices …
candidate high-density and power-efficient information carriers for spintronic devices …
Very-high dynamic range, 10,000 frames/second pixel array detector for electron microscopy
Precision and accuracy of quantitative scanning transmission electron microscopy (STEM)
methods such as ptychography, and the mapping of electric, magnetic, and strain fields …
methods such as ptychography, and the mapping of electric, magnetic, and strain fields …
Atomically sharp internal interface in a chiral weyl semimetal nanowire
Internal interfaces in Weyl semimetals (WSMs) are predicted to host distinct topological
features that are different from the commonly studied external interfaces (crystal-to-vacuum …
features that are different from the commonly studied external interfaces (crystal-to-vacuum …
Imaging the spin chirality of ferrimagnetic Néel skyrmions stabilized on topological antiferromagnetic
Néel skyrmions are generally realized in asymmetric multilayers made of heavy metals
(HMs) and ultrathin ferromagnets possessing strong interfacial Dzyaloshinskii-Moriya …
(HMs) and ultrathin ferromagnets possessing strong interfacial Dzyaloshinskii-Moriya …
The Cubic B20 Chiral Magnet FeGe
The cubic B20 chiral magnet FeGe has garnered significant attention for its exceptional
capacity to host topological skyrmions. These skyrmions are not only compact, with …
capacity to host topological skyrmions. These skyrmions are not only compact, with …
Atomic Resolution Cryogenic 4D-STEM Imaging via Robust Distortion Correction
Cryogenic four-dimensional scanning transmission electron microscopy (4D-STEM) imaging
is a useful technique for studying quantum materials and their interfaces by simultaneously …
is a useful technique for studying quantum materials and their interfaces by simultaneously …
Angstrom-scale imaging of magnetization in antiferromagnetic Fe2As via 4D-STEM
We demonstrate a combination of computational tools and experimental 4D-STEM methods
to image the local magnetic moment in antiferromagnetic Fe 2 As with 6 angstrom spatial …
to image the local magnetic moment in antiferromagnetic Fe 2 As with 6 angstrom spatial …
Extracting weak magnetic contrast from complex background contrast in plan-view FeGe thin films
The desire to design and build skyrmion-based devices has led to the need to characterize
magnetic textures in thin films of functional materials. This can usually be achieved through …
magnetic textures in thin films of functional materials. This can usually be achieved through …
Quantification of Hybrid Topological Spin Textures and Their Nanoscale Fluctuations in Ferrimagnets
Y Zhang, T Xu, W Jiang, R Yu, Z Chen - Nano Letters, 2024 - ACS Publications
Noncolinear spin textures, including chiral stripes and skyrmions, have shown great
potential in spintronics. Basic configurations of spin textures are either Bloch or Néel types …
potential in spintronics. Basic configurations of spin textures are either Bloch or Néel types …
Toward accurate measurement of electromagnetic field by retrieving and refining the center position of non-uniform diffraction disks in Lorentz 4D-STEM
L Wu, MG Han, Y Zhu - Ultramicroscopy, 2023 - Elsevier
Recent advancement in scanning transmission electron microscopy (STEM) allows the use
of 4D-STEM, a technique that captures an electron diffraction pattern at each scan point in …
of 4D-STEM, a technique that captures an electron diffraction pattern at each scan point in …