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Nanostructure and dynamics of collective modes of modulated nematic phase. Electro-optic and elastic properties.

2018/31/B/ST3/03609

Keywords

Descriptors

  • ST3_1: Struktura ciał stałych i płynów
  • ST3_15: "Miękka" materia skondensowana (ciekłe kryształy, polimery,...)
  • ST3_18: Przejścia fazowe, równowaga faz

Panel

ST3 – Condensed matter physics: structure, electronic properties, fluids, nanosciences, biological physics

Host institution

UNIWERSYTET ŚLĄSKI, Wydział Nauk Ścisłych i Technicznych

Voivodeship: śląskie

Other projects carried out by the institution »

Principal investigator (from the host institution)

prof. Antoni Kocot

Number of co-investigators in the project: 6

Call

OPUS 16 – announced on 2018-09-14

Amount awarded
949 440 PLN
Project start date
2019-06-13
Project end date
2023-10-12
Project duration
52 months (the same as in the proposal)
Project status
Project settled

Project description

Download the project description in a pdf file

Note — project descriptions were prepared by the authors of the applications themselves and placed in the system in an unchanged form.

Equipment purchased [PL]

  1. Analizator impedancji w zakresie częstości 0.1 Hz to 120 MHz. Cost: 245 000 PLN
  2. Generator funkcyjny do 150 MHz. Cost: 23 000 PLN
  3. Komputer personalny z oprogramowaniem. Cost: 8 000 PLN
  4. Mikroskop stereoskopowy.
  5. Oscyloskop cyfrowy. Cost: 20 000 PLN
  6. Polaryzator z automatyzacją regulacji kąta obrotu.. Cost: 17 000 PLN
  7. analizator Impedancji Keysight (Agilent) 4294A. Cost: 74 997 PLN
  8. kuwety do podczerwieni.
  9. lutownica ultradzwiękowa.
  10. regulator temperatury + czujniki.
  11. wyposażenie mikroskopu + stolik obrotowy z kontrolerem.

Information in the final report

Publication in academic press/journals (9)

  1. Study of the Experimental and Simulated Vibrational Spectra Together with Conformational Analysis of Thioether Cyanobiphenyl-Based Liquid Crystal Dimers

    Authors:
    A. Kocot, B. Loska, Y. Arakawa, G. H. Mehl, K. Merkel
    Academic press:
    Int. J. Mol. Sci. (year: 2022, volume: 23, pages: 8005-16), Publisher: MDPI
    Status:
    Published
    DOI:
    10.3390/ijms23148005 – link to the publication

  2. How Do Intermolecular Interactions Evolve at the Nematic to Twist–Bent Phase Transition?

    Authors:
    K. Merkel, B. Loska, Y. Arakawa, G. H. Mehl, J. Karcz, A. Kocot
    Academic press:
    Int. J. Mol. Sci. (year: 2022, volume: 23, pages: 11018), Publisher: MDPI
    Status:
    Published
    DOI:
    10.3390/ijms231911018 – link to the publication

  3. Dielectric Study of Liquid Crystal Dimers: Probing the Orientational Order and Molecular Interactions in Nematic and Twist-Bend Nematic Phases

    Authors:
    Antoni Kocot, Małgorzata Czarnecka, Yuki Arakawa, Katarzyna Merkel
    Academic press:
    Journal of Physical Chemistry B (year: 2023, volume: 127 (31), pages: 7082–7090), Publisher: American Chemical Society ACS
    Status:
    Published
    DOI:
    10.1021/acs.jpcb.3c03496 – link to the publication

  4. Dielectric response of electric-field distortions of the twist-bend nematic phase for LC dimers

    Authors:
    K. Merkel , C. Welch , Z. Ahmed , W. Piecek , and G. H. Mehl
    Academic press:
    The Journal of Chemical Physics (year: 2019, volume: 151, pages: 114908- 114920), Publisher: AIP Publishing
    Status:
    Published
    DOI:
    10.1063/1.5114824 – link to the publication

  5. Molecular biaxiality determines the helical structure – infrared measurements of the molecular order in the nematic twist-bend phase of difluoro terphenyl dimer

    Authors:
    Katarzyna Merkel, Barbara Loska, Chris Welch, Georg H. Mehl and Antoni Kocot
    Academic press:
    Physical Chemistry Chemical Physics (year: 2021, volume: 23, pages: 4151-4160), Publisher: Royal Society of Chemistry
    Status:
    Published
    DOI:
    10.1039/d1cp00187f – link to the publication

  6. The role of intermolecular interactions in stabilizing the structure of the nematic twist-bend phase

    Authors:
    Katarzyna Merkel, Barbara Loska, a Chris Welch, b Georg H. Mehl b and Antoni Kocot
    Academic press:
    RSC Advances (year: 2021, volume: 11, pages: 2917–2925), Publisher: Royal Society of Chemistry
    Status:
    Published
    DOI:
    10.1039/d0ra10481g – link to the publication

  7. Soft modes of the dielectric response in the twist–bend nematic phase and identification of the transition to a nematic splay bend phase in the CBC7CB dimer

    Authors:
    K. Merkel, A. Kocot, C. Welch and G. H. Mehl
    Academic press:
    Physical Chemistry Chemical Physics (year: 2019, volume: 21, pages: 22839--22848), Publisher: Royal Society of Chemistry
    Status:
    Published
    DOI:
    10.1039/c9cp04952e – link to the publication

  8. Exploring the Impact of Intermolecular Interactions on the Glassy Phase Formation of Twist-Bend Liquid Crystal Dimers: Insights from Dielectric Studies

    Authors:
    Antoni Kocot, Małgorzata Czarnecka, Yuki Arakawa, Katarzyna Merkel
    Academic press:
    Molecules (year: 2023, volume: 28 (21), pages: 7441-7455), Publisher: MDPI
    Status:
    Published
    DOI:
    10.3390/molecules28217441 – link to the publication

  9. Structure of the twist-bend nematic phase with respect to the orientational molecular order of the thioether-linked dimers

    Authors:
    Antoni Kocot, Barbara Loska, Yuki Arakawa and Katarzyna Merkel
    Academic press:
    Physical Review E (year: 2022, volume: 105, pages: 044701-1 044701-10), Publisher: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevE.105.044701 – link to the publication

Articles in post-conference publications (5)

  1. Dielectric study of the twist-bend structure deformation of difluoro- terphenyl dimers

    Authors:
    Kocot Antoni, Loska Barbara, Mehl Georg, Merkel Katarzyna
    Conference:
    28th International Liquid Crystal Conference ILCC2022 (year: 2022, pages: PD.216), Publisher: materiały pokonferencyjne
    Date:
    conference 2022-07-24 do 2022-07-29
    Status:
    Published

  2. Infrared and DFT study of the molecular order in the NTB phase of difluoro terphenyl dimers

    Authors:
    Katarzyna Merkel, Antoni Kocot, Georg Mehl
    Conference:
    28th International Liquid Crystal Conference ILCC2022 (year: 2022, pages: PD.171), Publisher: International Liquid Crystal Society
    Date:
    conference 2022-07-24 do 2022-07-29
    Status:
    Published

  3. Infrared and dielectric study of the orientational order of the nematic twist-bend dimers Katarzyna Merkel1 , Georg Mehl2 , Yuki Arakawa3 , Antoni Kocot1

    Authors:
    Katarzyna Merkel, Georg Mehl, Yuki Arakawa, Antoni Kocot
    Conference:
    23RD CONFERENCE ON LIQUID CRYSTALS - Chemistry, Physics & Applications, Karpacz, Poland. (year: 2021, pages: 35), Publisher: WAT Warszawa
    Date:
    conference October 18th – 22nd, 2021
    Status:
    Published

  4. Dielectric and optical study of the twist-bend structure deformation of liquid crystal dimers

    Authors:
    Antoni Kocot, Katarzyna Merkel, Georg Mehl, Yuki Arakawa
    Conference:
    23RD CONFERENCE ON LIQUID CRYSTALS - Chemistry, Physics & Applications,. (year: 2021, pages: 67), Publisher: WAT Warszawa
    Date:
    conference October 18th – 22nd, 2021
    Status:
    Published

  5. Do we (be)live in a simulation? I don't know, but we can use them in LC research

    Authors:
    Barbara Loska , Antoni Kocot, Yuki Arakawa, Katarzyna Merkel
    Conference:
    23RD CONFERENCE ON LIQUID CRYSTALS - Chemistry, Physics & Applications, 18th – 22nd, 2021 in Karpacz, Poland. (year: 2021, pages: 34), Publisher: WAT Warszawa
    Date:
    conference October 18th – 22nd, 2021
    Status:
    Published

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