2 article(s) from Vergaz, Ricardo
SWCNT-doped negative LC reorientation hypothesis: the LC remains homogeneously aligned while SWCNTs...
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Linear polarized light direction for Raman measures at V = 0.
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Raman spectra of a SWCNT-doped LC cell (λ = 523 nm). The G and G’-bands are related to SWCNTs. The ...
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Raman spectrum at different driving voltages (0 V, 1.5 V, 2.5 V, 3.5 V and 4.5 V). The microscope i...
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Raman G-band amplitude variation (below) during a driving voltage sequence between 0 and 11Vrms (ab...
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Cell images under microscopic study during a complete off–on–off voltage cycle. Sample surface (a) ...
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Impedance magnitude and phase measurements of (a) undoped and (b) SWCNT-doped LC cells.
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Impedance magnitude and phase variation at different frequencies as a function of applied driving v...
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Raman Intensity evolution of the G’-band and LC peaks with voltage. The SWCNT threshold voltage is ...
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Beilstein J. Nanotechnol. 2016, 7, 825–833, doi:10.3762/bjnano.7.74
Schematic structure of a positive nematic MWCNTs-doped LC cell (a) without excitation voltage – pla...
Sketch of frequency (a), resistance (a) and capacity (b, where Cr1 < Cr2 < Cr3) variations in the C...
Light transmission response of undoped (top) and MWCNT-doped (bottom) cells at 543 nm. The bottom p...
Cole-Cole plots of the undoped and MWCNTs-doped LC cells at different scales. (a), (b) and (c), imp...
Impedance of unbiased doped (filled symbols) and undoped (unfilled symbols) samples at different in...
R2 average evolution with the driving sequence. The three unbiased averaged measurements are shown ...
Driving waveform for impedance measurements. Vp is peak voltage.
Beilstein J. Nanotechnol. 2015, 6, 396–403, doi:10.3762/bjnano.6.39
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