Junjie He

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Assistant Professor

Charles University

Czech Republic

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About

Junjie He is an Assistant Professor at Charles University in the Czech Republic. His research focuses on advanced materials and their magnetic properties, particularly in the areas of ultrafast spin dynamics, multiferroic systems, and energy storage technologies. Recent publications include studies on multiferroic tunnel junctions, laser-induced spin dynamics, and high-performance supercapacitors.

Recent Grants

Grant: Close

Nanoparticles in Zeolites: Dynamics of Photoinduced Processes from First Principles

Open Date: 2023-01-01

Close Date: 2025-01-01

Grant: Close

First-principles modelling of spin transfer and magnetism at photo-excited two-dimensional magnets and van der Waals heterostructures

Open Date: 2020-10-01

Close Date: 2022-09-01

Grant: Close

Theoretical modeling of Antiferromagnetic Spintronics Materials

Open Date: 2018-01-01

Close Date: 2020-12-01

Articles (22)

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2021

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2021

Collaborators (3)

Guangxin Ni

Florida State University

UNITED STATES

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ZhaoBo Zhou

University of Bremen

GERMANY

View details

Arkamita Bandyopadhyay

University of Bremen

GERMANY

View details

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Junjie He

Research Interests

Contact this professor

About

Recent Grants

Articles (22)

Above room temperature multiferroic tunnel junction with the altermagnetic metal CrSb

Ultrafast Laser-Induced Spin Dynamics in All-Semiconductor Ferromagnetic CrSBr–Phosphorene Heterostructures

Controlling Ultrafast Magnetization Dynamics via Coherent Phonon Excitation in a Ferromagnet Monolayer

Optical-Helicity-Dependent Orbital and Spin Dynamics in Two-Dimensional Ferromagnets

Laser-Induced Ultrafast Spin Injection in All-Semiconductor Magnetic CrI3/WSe2 Heterobilayer

High-Temperature Intrinsic Two-Dimensional-XY Ferromagnetism and Strong Magnetoelastic Coupling in Tetragonal Monolayer MnGe

Ultrafast Chiral Precession of Spin and Orbital Angular Momentum Induced by Circularly Polarized Laser Pulse in Elementary Ferromagnets

Enhancing Extraction and Suppressing Cooling of Hot Electrons in Lead Halide Perovskites by Dipolar Surface Passivation

In Situ Vanadium-Deficient Engineering of V<sub>2</sub>C MXene: A Pathway to Enhanced Zinc-Ion Batteries

Rational design of crystalline/amorphous nickel manganese phosphate octahydrate heterostructure for high-performance aqueous and all-solid-state asymmetric supercapacitors

Ultrafast Laser Pulse Induced Transient Ferrimagnetic State and Spin Relaxation Dynamics in Two-Dimensional Antiferromagnets

Ultrafast Laser Control of Antiferromagnetic–Ferrimagnetic Switching in Two-Dimensional Ferromagnetic Semiconductor Heterostructures

Terahertz Laser Pulse Boosts Interlayer Spin Transfer in Two-Dimensional van der Waals Magnetic Heterostructures

Quantum anomalous valley Hall effect in ferromagnetic MXenes with asymmetric functionalization

Control of Hot Carrier Cooling in Lead Halide Perovskites by Point Defects

Two Dimensional MOene: From Superconductors to Direct Semiconductors and Weyl Fermions

Light-Controlled Ultrafast Magnetic State Transition in Antiferromagnetic–Ferromagnetic van der Waals Heterostructures

Control of Polaronic Behavior and Carrier Lifetimes via Metal and Anion Alloying in Chalcogenide Perovskites

Ultrafast Light-Induced Ferromagnetic State in Transition Metal Dichalcogenides Monolayers

2D Nb3SBr7 and Ta3SBr7: Experimentally Achievable Janus Photocatalysts with Robust Coexistence of Strong Optical Absorption, Intrinsic Charge Separation, and Ultrahigh Solar-to-Hydrogen Efficiency

Tuning Magnetic Anisotropy in Two-Dimensional Metal–Semiconductor Janus van der Waals Heterostructures

Robust Giant Magnetoresistance in 2D Van der Waals Molecular Magnetic Tunnel Junctions

Collaborators (3)

Guangxin Ni

ZhaoBo Zhou

Arkamita Bandyopadhyay

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