Per Rudquist
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View article: Revealing the antipolar order in the antiferroelectric SmZA phase by means of circular alignment
Revealing the antipolar order in the antiferroelectric SmZA phase by means of circular alignment Open
Many ferroelectric nematic liquid crystals, like one of the archetype materials, DIO, do not have a direct paraelectric N to ferroelectric N F phase transition, but exhibit yet another phase between N and N F . This phase has recently been…
Dynamically Tunable Optical Cavities with Embedded Nematic Liquid Crystalline Networks Open
Tunable metal–insulator–metal (MIM) Fabry–Pérot (FP) cavities that can dynamically control light enable novel sensing, imaging and display applications. However, the realization of dynamic cavities incorporating stimuli‐responsive material…
Revealing the Polar Nature of a Ferroelectric Nematic Open
The recent discovery of spontaneously polar nematic liquid crystals - so-called ferroelectric nematics - more than a century after the first discussions about their possible existence - has attracted large interest, both from fundamental s…
View article: Extremely small twist elastic constants in lyotropic nematic liquid crystals
Extremely small twist elastic constants in lyotropic nematic liquid crystals Open
Significance Some soft matter systems behave similarly and some differently. Understanding this is one of the significant challenges in the field. For example, while the splay and bend elastic constants for thermotropic and lyotropic nemat…
View article: Data from "Extremely Small Twist Elastic Constants in Lyotropic Nematic Liquid Crystals"
Data from "Extremely Small Twist Elastic Constants in Lyotropic Nematic Liquid Crystals" Open
Depolarized dynamic light scattering (DDLS) data, fit routine fitting results
Thermal conductivity enhancement of carbon@ carbon nanotube arrays and bonded carbon nanotube network Open
Carbon nanotubes (CNTs) are long considered as a promising material for thermal applications. However, problems such as low volume CNT fraction abhorrent to practical applications have been raising the demand for novel architecture of this…
Voltage‐Controlled Switching of Strong Light–Matter Interactions using Liquid Crystals Open
We experimentally demonstrate a fine control over the coupling strength of vibrational light–matter hybrid states by controlling the orientation of a nematic liquid crystal. Through an external voltage, the liquid crystal is seamlessly swi…
Photon upconversion with directed emission Open
Photon upconversion has the potential to increase the efficiency of single bandgap solar cells beyond the Shockley Queisser limit. Efficient light management is an important point in this context. Here we demonstrate that the direction of …