Special Issue "Advances in Nematic Liquid Crystals"

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Liquid Crystals".

Deadline for manuscript submissions: closed (30 June 2019).

Special Issue Editors

Guest Editor
Dr. Wiktor Piecek

Military University of Technology, Faculty of Advanced Technologies and Chemistry, Warsaw, Poland
Website | E-Mail
Interests: liquid crystals; smectic liquid crystals; soft matter; liquid crystal composites; photonics; liqud crystals applications; laser beam shaping
Guest Editor
Dr. Przemysław Kula

Military University of Technology, Faculty of Advanced Technologies and Chemistry, Warsaw, Poland
Website | E-Mail
Interests: synthesis of liquid crystals; highly birefringent nematics; nematic liquid crystals for IR; THz; GHz; chiral smectics

Special Issue Information

Dear Colleagues,

In the field of soft matter self-organization studies the investigations of nematic liquid crystals have provided valuable contributions during the last several decades. Nowadays, this is still a very open field. Recent studies on nematic materials and structures are, not only highly relevant to the fundamental knowledge side, but are also a source of the design of advanced functional materials. The impact of new applications has recently shifted the interest from industrial manufacturing to understanding of structure–property relationships. This is increased by the availability of new unconventional nematogenic molecular structures, nematic materials exhibiting high optical birefringence, low viscosity, light-driven molecular conformations and good IR transparency. Recently an increasing interest in soft matter structures and their physical properties has been observed due to the continuous progress in material engineering of bend-core nematics forming twist-bend and biaxial phases. Moreover, the new era of nematic-based materials research began with the advent of research exploring composite nematics doped with functional nanoparticles, graphene and graphene oxide particles, dyes, fluorescent compounds, polymers, and others. This Special Issue will collect selected contributions shining light on current studies of nematic phase based materials, indicating new paths for soft matter engineering.

Dr. Wiktor Piecek
Dr. Przemysław Kula
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Crystals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Structure–property relationships in nematic phase
  • New nematogenic species
  • Nematics for out of visible applications (NIR, IR, THz, GHz)
  • High birefringence nematic liquid crystals
  • Twist-bend nematogens
  • Bend-core nematics and biaxial nematic phases
  • Dual frequency driven nematic
  • Nanoparticle doped nematic phase
  • Polymer dispersed nematic liquid crystals
  • Confined structures of nematic liquid crystals
  • Chiral dopants and chiral nematic materials

Published Papers (1 paper)

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Research

Open AccessArticle
Electro-Optical Switching of Dual-Frequency Nematic Liquid Crystals: Regimes of Thin and Thick Cells
Crystals 2019, 9(6), 314; https://doi.org/10.3390/cryst9060314
Received: 29 May 2019 / Revised: 8 June 2019 / Accepted: 14 June 2019 / Published: 18 June 2019
PDF Full-text (1508 KB) | HTML Full-text | XML Full-text
Abstract
Conventional display applications of liquid crystals utilize thin layers of mesogenic materials, typically less than 10 µm. However, emerging non-display applications will require thicker, i.e., greater than 100 µm, layers of liquid crystals. Although electro-optical performance of relatively thin liquid crystal cells is [...] Read more.
Conventional display applications of liquid crystals utilize thin layers of mesogenic materials, typically less than 10 µm. However, emerging non-display applications will require thicker, i.e., greater than 100 µm, layers of liquid crystals. Although electro-optical performance of relatively thin liquid crystal cells is well-documented, little is known about the properties of thicker liquid crystal layers. In this paper, the electro-optical response of dual-frequency nematic liquid crystals is studied using a broad range (2–200 µm) of the cell thickness. Two regimes of electro-optical switching of dual-frequency nematics are observed and analyzed. Full article
(This article belongs to the Special Issue Advances in Nematic Liquid Crystals)
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