Design and simulation of periodic dielectric waveguide splitter by Ng, Kah Sheng.

“…Photonic Crystal (PC) has always being an essential unit in design of optical devices and also in photonic integrated circuit. …”
Get full text

Non-newtonian fluids and droplets in microchannels by Huang, Yi

“…A particle free method for flow field visualization was proposed and achieved by analyzing liquid crystal polarization. …”
Get full text

Shape-controlled synthesis and application of one-dimensional cadmium chalcogenide nanocrystals by Xi, Lifei

“…The morphologies of the 1D nanocrystals studied include rods, wires, belts and tubes whose lateral dimensions fall within the 1 to 100 nm range. …”
Get full text

Anisotropy of the zigzag order in the Kitaev honeycomb magnet α-RuBr3 by Pearce, JS, Kaib, DAS, Ma, Z, Ni, D, Cava, RJ, Valenti, R, Coldea, R, Coldea, AI

“…The torque for field rotated in the honeycomb plane has a clear six-fold periodicity with a saw-tooth shape, reflecting the three-fold symmetry of the crystal structure and stabilization of different zigzag domains depending on the field orientation, with a torque amplitude that follows an order parameter form inside the zigzag phase. …”

Diffusion of polyethylene oxide in montmorillonite : single molecule study of polymer nanocomposite by Jefri Sanusi Teguh

“…In the absence of MMT, crystallization of PEO occurred. PEO moved faster in the amorphous region but it moved slowly near the crystal as reflected by the comparison of diffusion coefficient in both regions. …”
Get full text

Synthesis and optical study of lead halide perovskites for opto-electronic applications by Ha, Son Tung

“…By carefully design experiment and sample fabrication, I were able to achieve net laser cooling in the material and substantially extend the toolbox for future application of the field. In conclusion, my thesis presented a complete study on high quality single crystal lead halide perovskites. …”
Get full text

Terahertz spectroscopy by Chen, Lili

“…Terahertz wave has drawn many attentions in the industry as its non-ionising properties provide a lot of advantages in biomedical field and security screening. Therefore, it is worthwhile to investigate methods for generating intense THz signals under laboratory conditions. …”
Get full text

Multi-photon interference phenomena by Menssen, A

“…To realise these experiments, I developed a new method based on a spatial light modulator to excite large modes in photonic crystals.</p>…”

Oxide nanoceramics and nanocomposites from nanopowders of metallic precursors by Tan, Liang Huo

“…The morphology of the final product will be analyze by field emission scanning electron microscopy (FESEM), whereas the crystal structure can be done using X-ray diffraction (XRD).…”
Get full text

Soil solution compositions and mineralogy of some active acid sulfate soils in Malaysia as affected by laboratory incubation with lime by Shamshuddin, J., Auxtero, E.A.

“…It was observed that jarosite crystal size was about 1 μm. This jarosite is believed to form via chemical precipitation in the solution containing sufficient activities of Al3+, K+, Fe3+, and SO42−. …”

Studying the pyroelectric effects of LiNbO3 modified composites by Zhang, Fan, Kang, Hua, Lin, Yixuan, Guan, Li, Aslan, Hüsnü, Zhang, Meining, Niu, Lin, Dong, Mingdong

“…However, LN crystal suffers from fragility, inflexibility, and other mechanical properties, which limit its suitability for many applications in various fields. …”
Get full text

Structural and magnetic interplay in multiferroic Ho₀.₅Nd₀.₅Fe₃(BO₃)₄ by Tripathy, A., Gautam, K., Dey, K., Sahu, S. R., Ahad, A., Upadhyay, A., Sagdeo, A., Francoual, S., Bereciartua, P. J., Gudim, I., Strempfer, J., Sathe, V. G., Shukla, D. K.

“…By utilizing temperature-dependent synchrotron x-ray powder diffraction, we report here the observation of structural phase transition, i.e., the lowering of crystal symmetry from R32 to P3121 below TN in Ho0.5Nd0.5Fe3(BO3)4, which is further confirmed by single-crystal x-ray diffraction measurements as well as substantiated by dielectric and Raman spectroscopic results. …”
Get full text

Indications of surface-dominated transport in single crystalline nanoflake devices of topological insulator Bi_{1.5}Sb_{0.5}Te_{1.8}Se_{1.2} by Xia, Bin, Ren, Peng, Sulaev, Azat, Liu, Peng, Shen, Shun-Qing, Wang, Lan

“…Using a standard back gate with SiO2 as a dielectric layer, a pronounced ambipolar electric field effect was observed in devices fabricated with 100–200 nm thick flakes.Moreover, angle-dependent magnetoresistances of a nanoflake device with a thickness of 596 nanometers are fitted to a universal curve for the perpendicular component of the applied magnetic field. …”
Get full text
Get full text

X-ray peak broadening and strain-driven preferred orientations of pure and Al-doped ZnO nanoparticles prepared by a green gelatin-based sol-gel method by Ali Khorsand Zak, Ali Khorsand Zak, Esmaeilzadeh, Javad, Hashim, Abdul Manaf

“…The structure of the prepared samples was examined by X-ray diffraction (XRD) and field emission electron microscopy (FESEM). The results showed a hexagonal structure and spherical shape for the samples. …”

Single-Shot Quantitative Polarization Imaging of Complex Birefringent Structure Dynamics by Ge, Baoliang, Zhang, Qing, Zhang, Rui, Lin, Jing-Tang, Tseng, Po-Hang, Chang, Che-Wei, Dong, Chen-Yuan, Zhou, Renjie, Yaqoob, Zahid, Bischofberger, Irmgard, So, Peter T. C.

“…We demonstrate that PSIM can quantify the dynamics of a flowing lyotropic chromonic liquid crystal in a microfluidic channel at an imaging speed of 506 frames per second (only limited by the camera frame rate), with a field-of-view of up to 350 × 350 μm2 and a diffraction-limit spatial resolution of ~2 μm. …”
Get full text

Continuous terahertz emission from dipolaritons by Kristinsson, Kristinn, Kyriienko, Oleksandr, Liew, Timothy Chi Hin, Shelykh, Ivan A.

“…In this way, we achieve continuous and tunable emission in the THz range in a compact single-crystal device. We show that the emission frequency can be tuned in a certain range by varying an applied electric field and pumping conditions. …”
Get full text
Get full text

Synthesis of heavy cyanide analogs for the design of novel Prussian blue analogs by Yang, E

“…In order to provide illustrative points of comparison, analogous metal complexes bearing various strong-field ligands are also synthesized and analyzed using the same approach.…”

Enhanced ferromagnetism of ZnO@Co/Ni hybrid core@shell nanowires grown by electrochemical deposition method by Tran, Dat Quang, Akabori, Masashi, Pham, Huyen Trang, Nguyen, Tam Duy, Md. Earul Islam

“…In this article, we investigated the morphology, crystal structure and ferromagnetism of the ZnO@Co/Ni hybrid core@shell NWs prepared by a facile electrochemical deposition method. …”
Get full text
Get full text

The development of lead-less perovskite materials for the photovoltaic application by Chen, Yan

“…In these two lead-free perovskite systems, various inorganic or small organic cations were utilized in combination with the lead-free metallic cations and iodic anions to selectively tailor the crystal structure, band edge position, and ambient and thermal stabilities of the resulting perovskites. …”
Get full text

Skyrmion-driven topological Hall effect in a Shastry-Sutherland magnet by Swain, N., Shahzad, M., Paradezhenko, G. V., Pervishko, A. A., Yudin, D., Sengupta, Pinaki

“…Our results, employing complementary Monte Carlo simulations and a novel machine learning analysis to investigate the magnetic phases, provide evidence for field-driven skyrmion crystal formation for an extended range of Hamiltonian parameters. …”
Get full text