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We discuss the possibility of trapping polar molecules in the standing-wave electromagnetic field of a microwave resonant cavity. Such a trap has several novel features that make it very attractive for the development of ultracold molecule…

Atomic Physics · Physics 2009-11-10 D. DeMille , D. R. Glenn , J. Petricka

Using Monte Carlo simulations, we study the assembly of colloidal particles interacting via isotropic core-corona potentials in two dimensions and confined in a circular box. We explore the structural variety at low temperatures as function…

Soft Condensed Matter · Physics 2020-01-08 Erik R. Fonseca , Carlos I. Mendoza

Methane hydrate nucleation under nanoconfinement remains poorly understood due to the complex interplay between geometric restriction and molecular ordering. Here, we investigate the structural organization of water-methane systems confined…

The adsorption of two kinds of porphyrin (Cu-TBPP) and perylene (PTCDA) derived organic molecules deposited on KBr and Al2O3 surfaces has been studied by non-contact force microscopy in ultra-high vacuum, our goal being the assembly of…

The controlled self-assembly of thiol stabilized gold nanocrystals in a mediating solvent and confined within mesoporous alumina was probed in situ with small angle x-ray scattering. The evolution of the self-assembly process was controlled…

Understanding nanoscale mechanisms responsible for the recently discovered ferroelectric nematics can be helped by direct visualization of self-assembly of strongly polar molecules. Here we report on scanning tunneling microscopy (STM)…

Designing and fabricating self-assembled open colloidal crystals have become one major direction in soft matter community because of many promising applications associated with open colloidal crystals. However, most of the self-assembled…

Soft Condensed Matter · Physics 2019-04-16 Krongtum Sankaewtong , Qun-li Lei , Ran Ni

The thermodynamic properties of gases have been understood primarily through phase diagrams of bulk gases. However, observations of gases confined in a nanometer space have posed a challenge to the principles of classical thermodynamics.…

Soft Condensed Matter · Physics 2014-10-31 Ing-Shouh Hwang , Yi-Hsien Lu , Chih-Wen Yang , Chung-Kai Fang , Hsien-Chen Ko

Since the advent of atom laser-cooling, trapping or cooling natural molecules has been a long standing and challenging goal. Here, we demonstrate a method for laser-trapping molecules that is radically novel in its configuration, in its…

Optics · Physics 2015-06-04 M. Alharbi , A. Husakou , B. Debord , F. Gerome , F. Benabid

Non-polar magnetic nanoparticles agglomerate upon cooling. This process is followed by in-situ small angle X-ray scattering to assess structural properties of the emerging agglomerates. On the length scale of a few particle diameters, no…

Soft Condensed Matter · Physics 2020-11-30 Christian Appel , Björn Kuttich , Tobias Kraus , Bernd Stühn

Because of its promising contribution to the bottom-up approach for nanofabrication of complex molecular architectures, self-organization is widely studied nowadays. Numerous studies have tackled supramolecular chirality or low-dimensional…

Materials Science · Physics 2007-05-23 T. Zambelli , S. Goudeau , J. Lagoute , A. Gourdon , X. Bouju , S. Gauthier

We have studied phase behavior of hard gaussian overlap molecules with small anisotropic parameter confined in two plane parallel structureless hard walls. Our investigation based on standard constant-NPT Monte Carlo molecular simulation…

Soft Condensed Matter · Physics 2009-11-10 Xin Zhou , Hu Chen , Mitsumasa Iwamoto

We report the magnetic confinement of neutral, ground state hydroxyl radicals (OH) at a density of $\sim3\times10^{3}$ cm$^{-3}$ and temperature of $\sim$30 mK. An adjustable electric field of sufficient magnitude to polarize the OH is…

At low temperatures, colloidal particles with short-range attractive and long-range repulsive interactions can form various periodic microphases in bulk.In this paper, we investigate the self-assembly behaviour of colloids with competing…

Soft Condensed Matter · Physics 2023-12-12 Ningyi Li , Junhong Li , Lijingting Qing , Shicheng Ma , Yao Li , Baohui Li

Particles that can be trapped in optical tweezers range from tens of microns down to tens of nanometres in size. Interestingly, this size range includes large macromolecules. We show experimentally, in agreement with theoretical…

Optics · Physics 2007-05-23 W. Singer , T. A. Nieminen , N. R. Heckenberg , H. Rubinsztein-Dunlop

We show theoretically that carriers confined in semiconductor colloidal nanoplatelets (NPLs) sense the presence of neighbor, cofacially stacked NPLs in their energy spectrum. When approaching identical NPLs, the otherwise degenerate energy…

Mesoscale and Nanoscale Physics · Physics 2020-04-21 Jose L. Movilla , Josep Planelles , Juan I. Climente

We present a versatile electric trap for the exploration of a wide range of quantum phenomena in the interaction between polar molecules. The trap combines tunable fields, homogeneous over most of the trap volume, with steep gradient fields…

Quantum Physics · Physics 2012-08-02 B. G. U. Englert , M. Mielenz , C. Sommer , J. Bayerl , M. Motsch , P. W. H. Pinkse , G. Rempe , M. Zeppenfeld

In laboratory experiments we observe that ice particles (\leq100 \mu m) entrained in a low pressure atmosphere (~1 mbar) get trapped by temperature gradients between three reservoirs at different tempertature. Confining elements are a…

Instrumentation and Detectors · Physics 2015-06-03 Thorben Kelling , Gerhard Wurm , Christoph Dürmann

We report many different nano-structures which are formed when model nano-particles of different sizes (diameter {\sigma} n ) are allowed to aggregate in a background matrix of semi-flexible self assembled polymeric worm like micellar…

Soft Condensed Matter · Physics 2015-06-23 Shaikh Mubeena , Apratim Chatterji

In the last years, it was demonstrated that neutral molecules can be loaded on a microchip directly from a supersonic beam. The molecules are confined in microscopic traps that can be moved smoothly over the surface of the chip. Once the…

Atomic Physics · Physics 2015-09-15 Gabriele Santambrogio
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