160 citations · 232 across the 10 of their papers we have counts for
10 papers
Chemical heterogeneity at conducting ferroelectric domain walls
Kasper A. Hunnestad, Guo-Dong Zhao, Mao-Hua Zhang +7
Natural interfaces in ferroic oxides have developed into versatile playgrounds for studying electronic correlation effects in 2D systems. The microscopic origin of the emergent loc…
Temperature-dependent Multi-well Free-energy Landscape for Phase Transitions: PbTiO3 as a Prototype
Yi Wang, Tiannan Yang, Shun-Li Shang +2
It has been a long challenge to analytically construct the quantitative temperature-dependent multi-well free-energy landscape over the space of order parameters describing phase t…
Real-space imaging of polar and elastic nano-textures in thin films via inversion of diffraction data
Ziming Shao, Noah Schnitzer, Jacob Ruf +13
Exploiting the emerging nanoscale periodicities in epitaxial, single-crystal thin films is an exciting direction in quantum materials science: confinement and periodic distortions…
Thermodynamic and electron-transport properties of Ca3Ru2O7 from first-principles phonon calculations and Boltzmann transport theory
Yi Wang, Yihuang Xiong, Tiannan Yang +6
This work demonstrates a first-principles-based approach to obtaining finite temperature thermal and electronic transport properties which can be employed to model and understand m…
A Solution to the Temperature Evolution of Multi-well Free-energy Landscape
Yi Wang, Tiannan Yang, Shun-Li Shang +2
It has been a grand challenge to resolve the temperature evolution of multi-well free-energy landscape which is fundamentally relevant to phase transitions and associated critical…
Large Itinerant Electron Exchange Coupling in the Magnetic Topological Insulator MnBi2Te4
Hari Padmanabhan, Vladimir A. Stoica, Peter Kim +20
Magnetism in topological materials creates phases exhibiting quantized transport phenomena with applications in spintronics and quantum information. The emergence of such phases re…
Electric-field control of the nucleation and motion of isolated three-fold polar vertices
Mingqiang Li, Tiannan Yang, Pan Chen +12
Recently various topological polar structures have been discovered in oxide thin films. Despite the increasing evidence of their switchability under electrical and/or mechanical fi…
Subterahertz collective dynamics of polar vortices
Qian Li, Vladimir A. Stoica, Marek Paściak +29
The collective dynamics of topological structures have been of great interest from both fundamental and applied perspectives. For example, the studies of dynamical properties of ma…
Unexpected Giant Microwave Conductivity in a Nominally Silent BiFeO3 Domain Wall
Yen-Lin Huang, Lu Zheng, Peng Chen +10
Nanoelectronic devices based on ferroelectric domain walls (DWs), such as memories, transistors, and rectifiers, have been demonstrated in recent years. Practical high-speed electr…
Theory and phase-field simulations on electrical control of spin cycloids in a multiferroic
Fei Xue, Tiannan Yang, Long-Qing Chen
Cycloidal spin orders are common in multiferroics. One of the prototypical examples is BiFeO3 (BFO) which shows a large polarization and a cycloidal antiferromagnetic order at room…