Search Results - "Ranjkesh, Amid"

Refine Results
  1. 1

    Temperature-dependent optical properties of some mixtures nematic liquid crystal by Alipanah, Zhila, Zakerhamidi, Mohammad Sadegh, Ranjkesh, Amid

    Published in Scientific reports (25-07-2022)
    “…The presence of optical anisotropy in liquid crystals (LCs) has caused these materials to have dual refractive indices: ordinary (n o ) and extra-ordinary (n e…”
    Get full text
    Journal Article
  2. 2

    Photonic eigenmodes and transmittance of finite-length 1D cholesteric liquid crystal resonators by Zaplotnik, Jaka, Mur, Urban, Malkar, Deepshika, Ranjkesh, Amid, Muševič, Igor, Ravnik, Miha

    Published in Scientific reports (06-10-2023)
    “…Cholesteric liquid crystals exhibit a periodic helical structure that partially reflects light with wavelengths comparable to the period of the structure, thus…”
    Get full text
    Journal Article
  3. 3

    Impact of random-field-type disorder on nematic liquid crystalline structures by Zidanšek, Aleksander, Hölbl, Arbresha, Ranjkesh, Amid, Cordoyiannis, George, Kutnjak, Zdravko, Kralj, Samo

    “…We study bicomponent systems where one component represents a liquid crystalline (LC) phase, and the other component randomly perturbs the LC order. Such…”
    Get full text
    Journal Article
  4. 4

    Phase behavior of nematic-nanoparticle mixtures by Hölbl, Arbresha, Ranjkesh, Amid, Abina, Andreja, Kralj, Samo, Zidanšek, Aleksander

    Published in Frontiers in Soft Matter (01-06-2023)
    “…We study the effects of nanoparticles (NPs) on thermotropic nematic liquid crystals (LCs) in relatively dilute NP–LC mixtures. We are interested in the…”
    Get full text
    Journal Article
  5. 5

    Transient flickering behavior in fringe-field switching liquid crystal mode analyzed by positional asymmetric flexoelectric dynamics by Lee, Dong-Jin, Shim, Gyu-Yeop, Choi, Jun-Chan, Park, Ji-Sub, Lee, Joun-Ho, Baek, Ji-Ho, Choi, Hyun Chul, Ha, Yong Min, Ranjkesh, Amid, Kim, Hak-Rin

    Published in Optics express (28-12-2015)
    “…We analyzed a transient blinking phenomenon in a fringe-field switching liquid crystal (LC) mode that occurred at the moment of frame change even in the…”
    Get full text
    Journal Article
  6. 6

    Phase and structural order in mixture of nematic liquid crystals and anisotropic nanoparticles by Ranjkesh, Amid, Cvetko, Matej, Choi, Jun-Chan, Kim, Hak-Rin

    Published in Phase transitions (03-04-2017)
    “…We studied the structural order in randomly perturbed nematic liquid crystals using a random anisotropic nematic-type lattice model. Simulations were carried…”
    Get full text
    Journal Article
  7. 7

    Tilted Orientation of Photochromic Dyes with Guest-Host Effect of Liquid Crystalline Polymer Matrix for Electrical UV Sensing by Ranjkesh, Amid, Park, Min-Kyu, Park, Do Hyuk, Park, Ji-Sub, Choi, Jun-Chan, Kim, Sung-Hoon, Kim, Hak-Rin

    Published in Sensors (Basel, Switzerland) (01-01-2016)
    “…We propose a highly oriented photochromic dye film for an ultraviolet (UV)-sensing layer, where spirooxazine (SO) derivatives are aligned with the liquid…”
    Get full text
    Journal Article
  8. 8
  9. 9

    Field Induced Memory Effects in Random Nematics by Sluckin, T. J., Kralj, S., Ambrožič, Milan, Ranjkesh, A.

    Published in Advances in condensed matter physics (01-01-2014)
    “…We studied numerically external field induced memory effects in randomly perturbed nematic liquid crystals. Random anisotropy nematic-type lattice model was…”
    Get full text
    Journal Article
  10. 10

    Fabrication of a Single-Substrate Flexible Thermoresponsive Cholesteric Liquid-Crystal Film with Wavelength Tunability by Ranjkesh, Amid, Yoon, Tae-Hoon

    Published in ACS applied materials & interfaces (24-07-2019)
    “…Recently, single-substrate flexible liquid crystal (LC) devices have attracted considerable attention because they can provide desirable shapes, small weight,…”
    Get full text
    Journal Article
  11. 11

    Light‐fueled self‐oscillation of liquid crystal polymer network: Effect of photostabilizers by Alipanah, Zhila, Zakerhamidi, Mohammad Sadegh, Ranjkesh, Amid

    Published in Journal of applied polymer science (10-02-2024)
    “…The quest for harnessing light‐induced oscillatory motion, inspired by natural oscillations, has become a focus of scientific attention. Researchers are…”
    Get full text
    Journal Article
  12. 12

    Effect of different surface alignment layers and temperature changes on bandwidth of Bragg reflection in chiral nematic liquid crystal by Khalil Sarbaz, Ramin, Zakerhamidi, Mohammadsadeg, Rezaei, Behroz, Ranjkesh, Amid

    Published in Physica scripta (01-07-2024)
    “…Abstract In recent years, the practical properties of cholesteric liquid crystals (CLCs) have been widely studied due to their unique feature of selective…”
    Get full text
    Journal Article
  13. 13

    Temperature-dependent dielectric property of a nematic liquid crystal doped with two differently–shaped tungsten oxide (W18O49) nanostructures by Ranjkesh, Amid, Ebrahimpour, Neda, Zakerhamidi, Mohammad Sadegh, Seyedahmadian, Seyed Masoud

    Published in Journal of molecular liquids (15-02-2022)
    “…•ε|| (T) and ε⊥ (T) studied in mixture of W18O49 nanoparticles doped into a NLC.•Six-parameter dielectric model shows good agreement with NP-NLC system.•Shape…”
    Get full text
    Journal Article
  14. 14

    Ultrathin, transparent, thermally-insulated, and energy-efficient flexible window using coatable chiral-nematic liquid crystal polymer by Ranjkesh, Amid, Yoon, Tae-Hoon

    Published in Journal of molecular liquids (01-10-2021)
    “…[Display omitted] •Our IR film is flexible, ultrathin, thermally-insulated, and transparent.•Our CLC polymer IR film shows high optical transmittance, and low…”
    Get full text
    Journal Article
  15. 15

    Temperature-dependent characterization of optical parameters in novel high birefringence nematic liquid crystal mixtures: an empirical investigation by Farezi, Navid, Khoshsima, Habib, Zakerhamidi, Mohammad Sadegh, Ranjkesh, Amid, Yoon, Tae-Hoon

    Published in Physica scripta (01-02-2024)
    “…Abstract This study investigates the temperature-dependent behaviors of three novel high-birefringence (Δ n ) nematic liquid crystals (NLCs) with varying…”
    Get full text
    Journal Article
  16. 16

    Flexible, broadband, super-reflective infrared reflector based on cholesteric liquid crystal polymer by Ranjkesh, Amid, Choi, Yeongyu, Huh, Jae-Won, Oh, Seung-Won, Yoon, Tae-Hoon

    Published in Solar energy materials and solar cells (15-09-2021)
    “…Cooling indoor spaces in hot weather conditions requires a significant amount of energy. To reduce energy consumption, light control of windows and facades in…”
    Get full text
    Journal Article
  17. 17

    Effect of surface energy and seed layer annealing temperature on ZnO seed layer formation and ZnO nanowire growth by Park, Ji-Sub, Mahmud, Imtiaz, Shin, Han Jae, Park, Min-Kyu, Ranjkesh, Amid, Lee, Do Kyung, Kim, Hak-Rin

    Published in Applied surface science (30-01-2016)
    “…•The relation between ZnO seed layer formation and ZnO NW growth was investigated.•The correlation between ZnO seed layer formation and UVO treatment was…”
    Get full text
    Journal Article
  18. 18

    Characterization of short-range molecular interaction by empirical solvent polarity scale to analyze the Kerr effect of nematic liquid crystals in the isotropic phase by Ranjkesh, Amid, Kiani, Somaye, Parast, Meisam Hagh, Zakerhamidi, Mohammad Sadegh, Yoon, Tae-Hoon

    Published in Journal of molecular liquids (01-12-2019)
    “…It is well known that a relatively large Kerr effect in the isotropic phase of nematic liquid crystals (NLCs) is related to the existence of short-range…”
    Get full text
    Journal Article
  19. 19

    Optical anisotropy, order parameter and its critical behavior in temperature-dependent refractive indices of nematic liquid crystals by Ranjkesh, Amid, Kiani, Somaye, Strzeżysz, Olga, Zakerhamidi, Mohammad Sadegh, Yoon, Tae-Hoon

    Published in Journal of molecular liquids (15-10-2018)
    “…The temperature dependence of optical birefringence, order parameter, effective geometry parameter, and normalized polarizability was determined for nematic…”
    Get full text
    Journal Article
  20. 20

    Light-Powered Liquid Crystal Polymer Network Actuator Using TiO 2 Nanoparticles as an Inorganic Ultraviolet-Light Absorber by Alipanah, Zhila, Zakerhamidi, Mohammad Sadegh, Movla, Hossein, Azizi, Batool, Muševič, Igor, Ranjkesh, Amid

    Published in ACS omega (21-03-2023)
    “…Recently, the design and fabrication of light-powered actuators have attracted immense attention because of the manufacturing of intelligent soft robots and…”
    Get full text
    Journal Article