Event
Ph.D. Research Proposal Exam: Shanchuan Liang
Friday, May 30, 2025
10:00 a.m.-12:00 p.m.
Room 2328 AVW
Maria Hoo
301 405 3681
mch@umd.edu
ANNOUNCEMENT: Ph.D. Research Proposal Exam
Name: Shanchuan Liang
Committee:
Professor Cheng Gong (Chair)
Professor Kevin M. Daniels
Professor Carlos A. Rios Ocampo
Date/time: Friday, May 30, 2025 at 10am to 12pm
Name: Shanchuan Liang
Committee:
Professor Cheng Gong (Chair)
Professor Kevin M. Daniels
Professor Carlos A. Rios Ocampo
Date/time: Friday, May 30, 2025 at 10am to 12pm
Location: A.V.W. Room 2328
Title: Magnetoelectric Effects in Two-Dimensional (2D) Multiferroic Heterostructures
Abstract:
Magnetism, one of the fundamental quantum phenomena, has revolutionized technologies ranging from data storage to biomedical imaging and continues to bring forth new phenomena in emerging materials with reduced dimensionalities. The rise of two-dimensional (2D) magnets offers a compelling platform for exploring magnetoelectric effects, owing to their strong interfacial sensitivity, wide property tunability, and excellent compatibility with other materials. These attributes enable the construction of 2D multiferroic heterostructures—engineered stacks of ferroelectric and ferromagnetic layers—that exhibit interfacial magnetoelectric coupling as a pathway for efficient control of 2D magnetism.
This proposal focuses on achieving such control through the strategic design of multiferroic heterostructures. We demonstrate reversible and non-volatile ferroelectric modulation of magnetic properties, where sizable magnetic hysteresis loops can be switched by applying small opposite-sign voltages across the multiferroic heterostructure. Notably, the control efficiency improves with decreasing magnetic layer thickness, highlighting the critical role of interfacial coupling. This work advances the development of functional quantum materials by enabling low-power, non-volatile control of 2D magnetism, opening the door for future applications in energy-efficient spintronics.
This proposal focuses on achieving such control through the strategic design of multiferroic heterostructures. We demonstrate reversible and non-volatile ferroelectric modulation of magnetic properties, where sizable magnetic hysteresis loops can be switched by applying small opposite-sign voltages across the multiferroic heterostructure. Notably, the control efficiency improves with decreasing magnetic layer thickness, highlighting the critical role of interfacial coupling. This work advances the development of functional quantum materials by enabling low-power, non-volatile control of 2D magnetism, opening the door for future applications in energy-efficient spintronics.
