Projects funded by the NCN

Information on the principal investigator and host institution

Information of the project and the call

Keywords

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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:

modulated nematic phses elastic constants electroclinic effect orientational order

Descriptors:

  • ST3_1: Structure of solids, material growth and characterisation
  • ST3_15: Statistical physics of condensed matter, phase transitions, noise and fluctuations, etc.
  • ST3_18:

Panel:

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

Host institution :

Uniwersytet Śląski w Katowicach, Wydział Nauk Ścisłych i Technicznych

woj. 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 (Y-m-d): 2019-06-13

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

Information in the final report

  • Publication in academic press/journals (9)
  • Articles in post-conference publications (5)
  1. 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 (rok: 2023, tom: 127 (31), strony: 7082–7090), Wydawca: American Chemical Society ACS
    Status:
    Published
    DOI:
    10.1021/acs.jpcb.3c03496 - link to the publication
  2. 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 (rok: 2021, tom: 23, strony: 4151-4160), Wydawca: Royal Society of Chemistry
    Status:
    Published
    DOI:
    10.1039/d1cp00187f - link to the publication
  3. 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 (rok: 2023, tom: 28 (21), strony: 7441-7455), Wydawca: MDPI
    Status:
    Published
    DOI:
    10.3390/molecules28217441 - link to the publication
  4. 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 (rok: 2022, tom: 105, strony: 044701-1 044701-10), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevE.105.044701 - link to the publication
  5. 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. (rok: 2022, tom: 23, strony: 8005-16), Wydawca: MDPI
    Status:
    Published
    DOI:
    10.3390/ijms23148005 - link to the publication
  6. 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 (rok: 2019, tom: 151, strony: 114908- 114920), Wydawca: AIP Publishing
    Status:
    Published
    DOI:
    10.1063/1.5114824 - link to the publication
  7. 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. (rok: 2022, tom: 23, strony: 11018), Wydawca: MDPI
    Status:
    Published
    DOI:
    10.3390/ijms231911018 - link to the publication
  8. 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 (rok: 2019, tom: 21, strony: 22839--22848), Wydawca: Royal Society of Chemistry
    Status:
    Published
    DOI:
    10.1039/c9cp04952e - link to the publication
  9. 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 (rok: 2021, tom: 11, strony: 2917–2925), Wydawca: Royal Society of Chemistry
    Status:
    Published
    DOI:
    10.1039/d0ra10481g - link to the publication
  1. 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. (rok: 2021, ), Wydawca: WAT Warszawa
    Data:
    konferencja October 18th – 22nd, 2021
    Status:
    Published
  2. 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,. (rok: 2021, ), Wydawca: WAT Warszawa
    Data:
    konferencja October 18th – 22nd, 2021
    Status:
    Published
  3. 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. (rok: 2021, ), Wydawca: WAT Warszawa
    Data:
    konferencja October 18th – 22nd, 2021
    Status:
    Published
  4. 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 (rok: 2022, ), Wydawca: International Liquid Crystal Society
    Data:
    konferencja 2022-07-24 do 2022-07-29
    Status:
    Published
  5. 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 (rok: 2022, ), Wydawca: materiały pokonferencyjne
    Data:
    konferencja 2022-07-24 do 2022-07-29
    Status:
    Published

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