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An in-plane magnetic chiral dichroism approach for measurement of intrinsic magnetic signals using transmitted electrons

Electron energy-loss magnetic chiral dichroism enables the measurement of the local magnetic properties of a material using a transmission electron microscope, but is limited to signals in the electron-beam direction. Here, the authors demonstrate a method to extend this to in-plane magnetic signals too.

Dongsheng Song
Amir H. Tavabi
Jing Zhu
ResearchOpen Access15 May 2017
Nature Communications

Volume: 8, P: 1-7
Measuring the orbital angular momentum spectrum of an electron beam

Existing methods of characterizing electron beams carrying orbital angular momentum are inefficient as they allow measuring one OAM state at a time. Here the authors demonstrate an OAM spectrometer capable of analysing multiple OAM states and a potential tool for probing magnetic materials.

Vincenzo Grillo
Amir H. Tavabi
Ebrahim Karimi
ResearchOpen Access24 May 2017
Nature Communications

Volume: 8, P: 1-6
Publisher Correction: Atomic scale imaging of magnetic circular dichroism by achromatic electron microscopy

Zechao Wang
Amir H. Tavabi
Xiaoyan Zhong
Amendments and Corrections14 Feb 2018
Nature Materials

Volume: 17, P: 290
Tunable Ampere phase plate for low dose imaging of biomolecular complexes

Amir H. Tavabi
Marco Beleggia
Giulio Pozzi
ResearchOpen Access04 Apr 2018
Scientific Reports

Volume: 8, P: 1-5
Atomic scale imaging of magnetic circular dichroism by achromatic electron microscopy

By combining electron energy-loss magnetic chiral dichroism and chromatic-aberration-corrected transmission electron microscopy, it becomes possible to achieve atomic-scale imaging of magnetic circular dichroism.

Zechao Wang
Amir H. Tavabi
Xiaoyan Zhong
Research05 Feb 2018
Nature Materials

Volume: 17, P: 221-225
Microwave synthesis of molybdenene from MoS₂

A free-standing two-dimensional sheet composed solely of Mo atoms shows metallic character, with an electrical conductivity of ~940 S m⁻¹.

Tumesh Kumar Sahu
Nishant Kumar
Prashant Kumar
ResearchOpen Access04 Sept 2023
Nature Nanotechnology

Volume: 18, P: 1430-1438
The Young-Feynman controlled double-slit electron interference experiment

Amir H. Tavabi
Chris B. Boothroyd
Giulio Pozzi
ResearchOpen Access18 Jul 2019
Scientific Reports

Volume: 9, P: 1-8
All-optical stochastic switching of magnetisation textures in Fe₃Sn₂

The all-optical control of magnetization at room temperature expands the potential of spin-based technologies in data storage and quantum computing. Here, the authors use femtosecond optical pulses to manipulate skyrmion states in Fe₃Sn₂ without external magnetic fields, revealing light-induced switching and interconversion processes, with implications for advanced spintronic applications.

András Kovács
Jonathan T. Weber
Sascha Schäfer
ResearchOpen Access14 Oct 2025
Communications Materials

Volume: 6, P: 1-9
Observation of nanoscale magnetic fields using twisted electron beams

Beyond high resolving power, electron microscopy can be used to study both the electronic and magnetic properties of a sample. Here, Grillo et al. combine electron vortex beams with holographic detection to measure out-of-plane nanoscale magnetic fields.

Vincenzo Grillo
Tyler R. Harvey
Ebrahim Karimi
ResearchOpen Access25 Sept 2017
Nature Communications

Volume: 8, P: 1-6
Skyrmionic spin structures in layered Fe₅GeTe₂ up to room temperature

Magnetic skyrmionic bubbles have been reported for Fe₅GeTe₂ and other layered van der Waals materials and are good candidates for applications in spintronics. Here, the authors report a near room temperature skyrmionic structure for Fe₅GeTe₂ and study the magnetic ordering for pre and post-cooling states using a combination of magnetic measurements and DFT calculations.

Maurice Schmitt
Thibaud Denneulin
Mathias Kläui
ResearchOpen Access18 Oct 2022
Communications Physics

Volume: 5, P: 1-9
Real-time visualisation of fast nanoscale processes during liquid reagent mixing by liquid cell transmission electron microscopy

Liquid cell transmission electron microscopy is a powerful technique for investigating crystallisation dynamics with nanometre spatial resolution; however, probing phenomena occurring in liquids while mixing two precursor solutions remains challenging. Here, the authors demonstrate how introducing and withdrawing solvents sequentially in a commercial liquid cell allows maintaining optimal imaging conditions while mixing liquids and successfully demonstrate the nanoscale crystallisation mechanism when R-BINOL-CN dissolved in chloroform interacts with methanol.

Govind Ummethala
Ravi Jada
Sai Rama Krishna Malladi
ResearchOpen Access09 Jan 2025
Communications Chemistry

Volume: 8, P: 1-12
In-plane Aligned Colloidal 2D WS₂ Nanoflakes for Solution-Processable Thin Films with High Planar Conductivity

Rosanna Mastria
Riccardo Scarfiello
Aurora Rizzo
ResearchOpen Access21 Jun 2019
Scientific Reports

Volume: 9, P: 1-13

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