Topology and Symmetry of Quantum Materials via Nonlinear Optical Responses | Annual
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The coexistence of ferroelectricity and metallicity seems paradoxical, since the itinerant
electrons in metals should screen the long-range dipole interactions necessary for dipole …

Doping ferroelectrics with carriers is often detrimental to polarization. This makes the design
and discovery of metals that undergo a ferroelectriclike transition challenging. In this Letter …

Inspired by the recent discovery of a new polar metal LiReO 3 by K. Murayama et al, we
calculate the temperature (T)-dependent crystal structures of Li BO 3 with B= Ta, W, Re, Os …

We report some results of studying optical second-harmonic generation (SHG) on surfaces
and at interfaces of centrosymmetric media, in resonant nano-and microstructures, and in …

Optical nonlinearity, especially the second harmonic generation (SHG), is generally weak in
materials but has the potential to be applied in high-speed optical computers and energy …

The metallic LiOs O 3 undergoes a transition to a polar phase below T s≈ 140 K. This
unusual property provides a unique opportunity to study the interaction between free …

Рассмотрены некоторые результаты исследования генерации оптической второй
гармоники (ВГ) на поверхностях и границах раздела центросимметричных сред, в …

Lattice dynamics is a key component in solid state physics. It helps the understanding of
many physical properties like structural phase transitions and ferroelectricity. Density …

This thesis develops multiple optical engineering mechanisms to modulate the electronic,
magnetic, and optical properties of strongly-correlated quantum materials, including polar …