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Related papers: Mesoporous silica obtained with methyltriethoxysil…

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We demonstrate cryogenic buffer-gas cooling of gas-phase methyltrioxorhenium (MTO). This molecule is closely related to chiral organometallic molecules where the parity-violating energy differences between enantiomers may be measurable. The…

Atomic Physics · Physics 2017-09-07 Sean Tokunaga , R. J. Hendricks , M. Tarbutt , B Darquié

Gigahertz acoustic resonators have the potential to advance data processing and quantum communication. However, they are expensive and lack responsiveness to external stimuli, limiting their use in sensing applications. In contrast,…

The n-alkanes C12H26, C14H30, and C16H34 have been imbibed and solidified in mesoporous Vycor glass with a mean pore diameter of 10nm. The samples have been investigated by x-ray diffractometry and calorimetric measurements. The structures…

Soft Condensed Matter · Physics 2007-05-23 Patrick Huber , Viktor P. Soprunyuk , Klaus Knorr

We propose and demonstrate a method to achieve large effective Soret coefficient in colloids by suitably mixing two different particles, e.g., silica beads and Fe3O4 nanoparticles. It is shown that the thermophoretic motion of Fe3O4…

Soft Condensed Matter · Physics 2012-08-02 Hai-Dong Deng , Ting Sun , Zhi-Cheng Fu , Hai-Ying Liu , Qiao-Feng Dai , Li-Jun Wu , Sheng Lan , Venu Gopal Achanta

An optically high-quality single crystal of sodium mesitylene sulfonate crystal was successfully grown by a slow evaporation method using methanol as solvent at room temperature. Single-crystal XRD has characterized the material and belongs…

We report the use of suboxide molecular-beam epitaxy (S-MBE) to grow $\beta$-Ga$_2$O$_3$ at a growth rate of ~1 ${\mu}$m/h with control of the silicon doping concentration from 5x10$^{16}$ to 10$^{19}$ cm$^{-3}$. In S-MBE, pre-oxidized…

Based on density-functional perturbation theory we have computed from first principles the photoelastic tensor of few crystalline phases of silica at normal conditions and high pressure (quartz, $\alpha$-cristobalite, $\beta$-cristobalite)…

Condensed Matter · Physics 2016-08-31 D. Donadio , M. Bernasconi , F. Tassone

We present high-resolution optical birefringence measurements upon sequential filling of an array of parallel-aligned nanochannels (14~nm mean diameter) with rod-like (acetonitrile) and disc-like (hexafluorobenzene) molecules. We will…

Soft Condensed Matter · Physics 2015-03-17 Matthias Wolff , Klaus Knorr , Patrick Huber , Andriy V. Kityk

Porous single layer molybdenum disulfide (MoS$_2$) is a promising material for applications such as DNA sequencing and water desalination. In this work, we introduce irradiation with highly charged ions (HCIs) as a new technique to…

Microgels are colloidal-scale particles individually made of crosslinked polymer networks that can swell and deswell in response to external stimuli, such as changes to temperature or pH. Despite a large amount of experimental activities on…

Soft Condensed Matter · Physics 2019-02-08 Nicoletta Gnan , Lorenzo Rovigatti , Maxime Bergman , Emanuela Zaccarelli

Metasurfaces are artificial thin materials that achieve optical thickness through thin geometrical structure. This feature of metasurfaces results in unprecedented benefits for enhancing the performance of optoelectronic devices. In this…

Optics · Physics 2023-08-14 Ryosuke Nakayama , Sohei Saito , Takuo Tanaka , Wakana Kubo

The diffusion of water molecules through mesoporous dust of amorphous carbon (a-C) is a key process in the evolution of prestellar, protostellar, and protoplanetary dust, as well as in that of comets. It also plays a role in the formation…

Instrumentation and Methods for Astrophysics · Physics 2024-03-05 Romain Basalgète , Gaël Rouillé , Cornelia Jäger

MoO2/C-composites have been fabricated for the first time by a tartaric acid/glucose-assisted sol-gel method with post-annealing at 500 {\deg}C for 1 h in N2 flow. The synthesized materials were fully characterized with respect to…

Materials Science · Physics 2020-12-11 G. S. Zakharova , L. Singer , Z. A. Fattakhova , S. Wegener , E. Thauer , Q. Zhu , E. V. Shalaeva , R. Klingeler

Black body materials prove promising candidates to meet future energy demands as they are able to harvest energy from the total bandwidth of solar radiation. Here, we report on high absorption (> 98 %) near-black body-like structures…

Materials Science · Physics 2020-04-22 Mario Ziegler , Andre Dathe , Kilian Pollok , Falko Langenhorst , Uwe Huebner , Dong Wang , Peter Schaaf

Samarium substituted bismuth ferrite (BiFeO3) ceramics prepared by sol-gel synthesis method were studied using both local scale and microscopic measurement techniques in order to clarify an evolution of the crystal structure of the…

Microdispersed photocatalysts based on titanium dioxide (TiO2) in the form of hollow core-shell microspheres (microcapsules) with mesoporous structure are widely demanded in modern critical technologies related to the catalysis of various…

Optics · Physics 2024-02-16 Yury E. Geints , Ekaterina K. Panina

Synperonic F-108 (generic name, 'pluronic') is a micelle forming triblock copolymer of type ABA, where A is polyethylene oxide (PEO) and B is polypropylene oxide (PPO). At high temperatures, the hydrophobicity of the PPO chains increase,…

Soft Condensed Matter · Physics 2015-05-13 P. Harsha Mohan , Ranjini Bandyopadhyay

The optimization of secondary phase in thermoelectric(TE) materials can {helps in improvisation of material's efficiency}. Being a potential {contender} for lower temperature TE application, bismuth telluride(Bi$_2$Te$_3$) nanoparticles…

Materials Science · Physics 2020-07-27 Vishal Thakur , Kanika Upadhyay , Ramanpreet Kaur , Navdeep Goyal , Sanjeev Gautam

Lattice Monte Carlo simulations are used to study the phase behavior of self-assembling ordered mesoporous materials formed by an organic template with amphiphilic properties and an inorganic precursor in a model solvent. Three classes of…

Soft Condensed Matter · Physics 2010-06-07 Alessandro Patti

Porous polymer films of Poly(ethylene oxide)(PEO) are synthesized by solution casting technique using gamma irradiated: (a) PEO powder (S-series) and (b) PEO - methanol solution (L-series). Pore phase forms instantaneously during…

Applied Physics · Physics 2018-06-13 Subir K. Patla , Madhumita Mukhopadhyay , Abhra Giri , Ruma Ray , Sujata Tarafdar