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The Langmuir-Blodgett technique was utilized and optimized to produce closed monolayers of cobalt-platinum nanoparticles over vast areas. It is shown that sample preparation, "dipping angle", and subphase type have a strong impact on the…

In this paper we have reported the reaction kinetics of nano dimensional clay saponite and hectorite with an amphiphilic cation octadecyl rhodamine B (RhB) in hybrid Langmuir monolayer at the air-water interface. The surface…

Materials Science · Physics 2011-06-21 Syed Arshad Hussain , Md N. Islam , D. Bhattacharjee

A Langmuir film is a molecularly thin film on the surface of a fluid; we study the evolution of a Langmuir film with two co-existing fluid phases driven by an inter-phase line tension and damped by the viscous drag of the underlying…

Soft Condensed Matter · Physics 2009-11-13 J. R. Wintersmith , L. Zou , A. J. Bernoff , J. C. Alexander , J. A. Mann , E. E. Kooijman , E. K. Mann

Spectra of octadecylamine (ODA) Langmuir monolayers and egg phosphatidylcholine (PC)/ODA-mixed monolayers at the air-water interface have been acquired. The organization of the monolayers has been characterized by surface pressure-area…

Materials Science · Physics 2010-09-09 Shuxi Dai , Xingtang Zhang , Zuliang Du , Yabin Huang , Hongxin Dang

An application of the radiolysis method using X-ray synchrotron beam is developed as a novel approach to the synthesis of metal-organic films with controlled shapes and thickness. We demonstrate that a Langmuir monolayer deposited onto a…

The Langmuir-Blodgett (LB) technique is a powerful, widely used method for preparing coatings of amphiphilic molecules at air/water interfaces with thickness control down to a single molecule. Here we report two new LB techniques designed…

Chemical Physics · Physics 2016-04-15 Mun Sek Kim , Lin Ma , Snehashis Choudhury , Surya S. Moganty , Shuya Wei , Lynden A. Archer

It is investigated the formation of the phase composition and structure in the nanoscaled CoSbx (30 nm) films deposited by the method of molecular-beam epitaxy on the substrates of the oxidated monocrystalline silicon at 200 C and following…

Materials Science · Physics 2017-01-10 R. A. Shkarban , Ya. S. Peresunko , E. P. Pavlova , S. I. Sidorenko , A. Csik , Yu. N. Makogon

Interplay of crystal symmetry, strong spin$-$orbit coupling (SOC), and many-body interactions in low dimensional materials provides a fertile ground for the discovery of unconventional electronic and magnetic properties and versatile…

Materials Science · Physics 2023-04-06 Eunseok Oh , Kyung-Hwan Jin , Han Woong Yeom

Nanoparticles with hydrophobic capping ligands and amphiphilic phospholipids are both found to self-assemble into monolayer films when deposited on the air water interface. By separately measuring the anisotropic stress response of these…

At the air/water interface, 4,-8-alkyl[1,1,-biphenyl]-4-carbonitrile (8CB) domains with different thicknesses coexist in the same Langmuir film, as multiple bilayers on a monolayer. The edge dislocation at the domain boundary leads to line…

Soft Condensed Matter · Physics 2009-11-13 Lu Zou , Ji Wang , Prem Basnet , Elizabeth K. Mann

The speculated presence of monomolecular lamellae of antagonistic salts in oil-water mixtures has left several open questions besides their hypothetical existence, including their microscopic structure and stabilization mechanism. Here, we…

Soft Condensed Matter · Physics 2021-03-19 David Jung , Jens Harting , Marcello Sega

Lead has been deposited on the ten-fold surface of decagonal Al72Ni11Co17 to form an epitaxial quasicrystalline single-element monolayer. The overlayer grows through nucleation of nanometer-sized irregular islands and the coverage saturates…

Other Condensed Matter · Physics 2008-06-02 J. A. Smerdon , L. Leung , J. K. Parle , C. J. Jenks , R. McGrath , V. Fournee , J. Ledieu

Bovine serum albumin (BSA) Langmuir monolayer, as a model of biomineralization-associated proteins, was used to study its effect on regulated biomineralization of calcium carbonate. The effects of the BSA Langmuir monolayer and the…

Materials Science · Physics 2011-06-15 Zhong-Hui Xue , Shu-Xi Dai , Bin-Bin Hu , Zu-Liang Du

Our study aims at a better control and understanding of the transfer of a complex [DNA supercoiled plasmid - dodecyltrimethylammonium surfactant] layer from a liquid-vapour water interface onto a silicon surface without any additional…

Chemical Physics · Physics 2008-01-18 Frédérique Battin-Leclerc , A. A. Konnov , J. L. Jaffrezo , M. Legrand

In the present study we compare a structure of a Langmuir film assembled from magnetic iron oxide nanoparticles on water surface and a structure of the same film after its transfer to a solid substrate by the Langmuir-Schaefer method. In…

Soft Condensed Matter · Physics 2019-01-29 V. Ukleev , A. Khassanov , I. Snigireva , O. Konovalov , A. Vorobiev

Hybrid monolayers of clay minerals (hectorite) and Octadecyamine (ODA) were prepared using the Langmuir-Blodgett (LB) technique. Surface pressure-area per molecule isotherm, FTIR and atomic force microscopy were used to confirm and analyze…

Materials Science · Physics 2008-09-02 Syed Arshad Hussain , P. K. Paul , D. Bhattacharjee

Langmuir-Blodgett (LB) films of N,N'-dioctadecyl thiacyanine perchlorate (NK) and octadecyl rhodamine B chloride (RhB18) and their mixtures in the presence and absence of clay mineral layers were investigated by recording surface pressure -…

Materials Science · Physics 2011-06-20 Syed Arshad Hussain , Robert A. Schoonheydt

Liquid phase exfoliation followed by Langmuir-Blodgett self-assembly (LBSA) is a promising method for scalable production of thin graphene films for transparent conductor applications. However, monolayer assembly into thin films often…

We explore the feasibility of optically forming long-range tetratomic and larger polyatomic molecules in their ground electronic state from ultracold pairs of polar molecules aligned by external fields. Depending on the relative orientation…

Atomic Physics · Physics 2021-06-16 Marko Gacesa , Jason N. Byrd , Jonathan Smucker , John A. Montgomery, , Robin Côté

Colloidal photonic crystals display peculiar optical properties which make them particularly suitable for application in different fields. However, the low packing fraction of the targeted structures usually poses a real challenge in the…

Soft Condensed Matter · Physics 2017-09-28 Guido Avvisati , Tonnishtha Dasgupta , Marjolein Dijkstra