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Dielectric Properties of SbSI in the Temperature Range of 292-475~K

100%
Starczewska A., Solecka B., Nowak M., Szperlich P.
Acta Physica Polonica A
|
2014
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vol. 126
|
issue 5
1125-1127
EN
Methodology of impedance measurements and ferroelectric hysteresis loops observed in temperature range 292-475 K for antimony sulfoiodide (SbSI) grown from vapour phase are discussed. Temperature dependences of spontaneous polarization and coercive field of SbSI crystals are presented.
2
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Optical Properties of SbSI Photonic Crystals

88%
Kępińska M., Starczewska A., Duka P., Nowak M., Szperlich P.
Acta Physica Polonica A
|
2014
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vol. 126
|
issue 5
1115-1117
EN
This paper presents optical properties of SiO_2 opals infiltrated with SbSI and inverted SbSI opals for the first time. Registered reflectance spectra exhibit Bragg's peaks connected with photonic band gap. Calculated photonic band structure has been compared with experimental results.
3
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Fabrication of SbSI Photonic Crystals

76%
Starczewska A., Szperlich P., Nowak M., Bednarczyk I., Bodzenta J., Szala J.
Acta Physica Polonica A
|
2014
|
vol. 126
|
issue 5
1118-1120
EN
Semiconducting ferroelectric antimony sulfoiodide (SbSI) photonic crystals were fabricated. The SiO_{2} nanospheres were synthesized and gravity sedimented to obtain opal matrices. These opals were infiltrated with melted SbSI and etched in HF acid to produce inverted SbSI opals.
4
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Desorption of Gasses Induced by Ferroelectric Transition in SbSI Nanowires

76%
Szperlich P., Nowak M., Jesionek M., Starczewska A., Mistewicz K., Szala J.
Acta Physica Polonica A
|
2014
|
vol. 126
|
issue 5
1110-1112
EN
For the first time the thermal desorption of H_2, N_2, O_2 and CO_2 is presented for antimony sulfoiodide (SbSI) xerogel made up of large quantity nanowires. The desorption has been observed near ferroelectric phase transition established at T_{c}=293.0(2) K. The Sievert measurements have shown that the hydrogen uptake is linear function of H_2 pressure (when p < 1.1×10^5 Pa). The hydrogen storage density in SbSI gel amounted 1.24× 10^{-2} wt% (for p = 1.08×10^5 Pa at room temperature).
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