RESEARCH

1. MCD Manipulation (via Spin-Polarized Current or Charge Accumulation)

This field focuses on the precise manipulation of magnetic circular dichroism (MCD) signals through external stimuli, such as applying spin-polarized currents or utilizing charge accumulation effects.

• Carbon, 140, 10 (2018)

• Physica Status Solidi (RRL), 14, 2000223 (2020)

• Applied Physics Letters, 118, 032408 (2021)

• Adv. Electron. Mater., 2400459 (2024)

• ACS Appl. Electron. Mater., 7 (1), 177–184 (2025)

2. Engineering Spin-Polarized Bands for Magneto-Optoelectronics and Spintronics

This area is dedicated to exploring and engineering the spin-polarized band structures of novel magnetic thin films (such as Heusler alloys, TmIG, and 2D magnetic materials). Recent advancements include investigating the effects of thermal-mismatch strain and interfacial symmetry breaking on magnetic anisotropies and magneto-optical properties.

• Carbon, 114, 642–648 (2017)

• Applied Physics Letters, 110, 242404 (2017)

• Applied Surface Science, 492, 591 (2019)

• Global Challenges, 4, 2000025 (2020)

• ACS Appl. Mater. Interfaces, 13, 10279 (2021)

• ACS Appl. Mater. Interfaces, 13, 23173 (2021)

• ACS Appl. Mater. Interfaces, (2022)

• Chin. J. Phys., 90, 717 (2024)

• Phys. Rev. Applied, 24, 034052 (2025) — "Giant temperature-independent ultraviolet circular dichroism in Co₂MnX (X =Ga,Ge) Heusler magnetic thin films."

• Appl. Mater. Today, 51, 103350 (2026) — "Interfacial symmetry breaking induces competing magnetic anisotropies and two-step switching in monolayer Cr₂Te₃."

• Appl. Phys. Lett., 129 (12), 122401 (2026) — "Unconventional energy-selective magneto-optical polarity reversal in thermal-mismatch-strained TmIG films." (Editor's Pick)

3. Extraction of MCD Effects in Magnetic Material/Polymer Hybrid Systems

This research focuses on advanced spectroscopic analysis in complex hybrid systems, successfully isolating and extracting intrinsic MCD effects from a blended mixture of magnetic linear dichroism signals.

• Scientific Reports, 9, 17192 (2019)

4. Chirality-Induced Spin Selectivity (CISS) & Macroscopic Chiroptical Responses

As a rapidly emerging and highly active frontier for our group, this field investigates chiral molecular assembly, long-range structural anisotropy, and the utilization of the Chirality-Induced Spin Selectivity (CISS) effect to achieve robust, unconventional magnetization switching and spintronic control.

• Appl. Phys. Lett., 127, 261701 (2025) — "Long-range structural anisotropy governs macroscopic chiroptical response in twisted anodic aluminum oxide membranes."

• ACS Appl. Electron. Mater., 8 (1), 720–731 (2026) — "Bidirectional Magnetization Switching in a Ferrimagnetic Insulator by a Monochiral Cu(II)–Leucine Complex."

• Langmuir, 42 (32), 23607–23618 (2026) — "Oxygen-Controlled Assembly of Chiral [7]-Helicene on ZnO Surfaces."