Nematic liquid crystal alignment on subwavelength metal gratings

Irina V. Kasyanova,
Artur R. Geivandov,
Vladimir V. Artemov,
Maxim V. Gorkunov and
Serguei P. Palto

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Published 04 Jan 2018

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1. Figure 1: Electron microscope image of a grating with period p = 350 nm, duty factor w/p = 1/3.
  
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2. Figure 2: Schematic layout of the gratings on the sample; the arrow on the left indicates the rubbing directi...
  
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3. Figure 3: Photos of the liquid crystal cell under polarized light: (a) , the sample axis (rubbing direction) ...
  
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4. Figure 4: The transmittance for the grating with p = 300 nm and w/p = 1/2 versus wavelength (a) and wavenumbe...
  
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5. Figure 5: The Fourier transform spectra of the transmittance spectra given in Figure 4b (grating p = 300 nm, w/p = 1/2...
  
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6. Figure 6: Fourier transform spectra vs grating geometry.
  
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Beilstein J. Nanotechnol. 2018, 9, 42–47, doi:10.3762/bjnano.9.6

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Study of the vertically aligned in-plane switching liquid crystal mode in microscale periodic electric fields

Artur R. Geivandov,
Mikhail I. Barnik,
Irina V. Kasyanova and
Serguei P. Palto

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Published 02 Jan 2018

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1. Figure 1: Experimental LC cell geometry.
  
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2. Figure 2: Experimentally measured electrooptical response for (a) E7 and (b) ZLI 1957/5 LC cells with chromiu...
  
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3. Figure 3: Grayscale performance of E7 and ZLI 1957/5 LC cells with chromium electrodes, w/g = 0.5 (p = 6 μm), ...
  
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4. Figure 4: Measured response times τ_on (a, c) and τ_off (b, d) for E7 (c, d) and ZLI 1957/5 (a, b) LC mixtures ...
  
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5. Figure 5: Polarized-light microscopy photographs of LC cells with electrode fingers at 45° with respect to th...
  
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6. Figure 6: a) Top view showing the simulated local transmittance of an E7 LC cell with d = 3 µm and w/g = 0.5 (...
  
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7. Figure 7: Simulated electrooptical response of an E7 LC cell with transparent electrodes: w/g = 0.5 (p = 6 μm...
  
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8. Figure 8: Simulated distribution of the local transmittance of an E7 LC cell with w/g = 2.0 (p = 3 µm) and d ...
  
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9. Figure 9: Simulated local transmittance response in an E7 LC cell with w/g = 2.0 µm (p = 3 µm) and d = 4 µm d...
  
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10. Figure 10: Relaxation time of an E7 LC layer of thickness d = 3.5 µm as a function of p for different ratios w/...
  
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11. Figure 11: Simulated electrooptical response for rectangular pulses of duration Δt = 2, 5, 10 and 15 ms applie...
  
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12. Figure 12: Simulated electrooptical response for E7 LC cells with transparent and opaque electrodes (p = 3 µm ...
  
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