نتایج جستجو برای: material ordering

تعداد نتایج: 398008  

Journal: :Physical chemistry chemical physics : PCCP 2015
F Baniasadi M M Tehranchi M B Fathi N Safari V Amani

The investigation of magnetic ordering in magnetic molecular conductors is the subject of ongoing research studies in the fields of condensed matter physics, chemistry and material sciences. Following the photo-magnetic behavior already observed in individual (FeCl4)2(py·H)3Cl molecules at room temperature, magnetic ordering is studied in this work. Calculations are performed using spin project...

Journal: :Nature materials 2007
Shawna M Liff Nitin Kumar Gareth H McKinley

The incorporation of nanoparticles into engineering thermoplastics affords engineers an opportunity to synthesize polymer nanocomposites that potentially rival the most advanced materials in nature. Development of these materials is difficult because thermodynamic and kinetic barriers inhibit the dispersal of inorganic, often hydrophilic nanoparticles in hydrophobic polymer matrices. Using a ne...

Vinod Kumar Mishra

In this paper we develop an inventory model, to determine the optimal ordering quantities, for a set of two substitutable deteriorating items. In this inventory model the inventory level of both items depleted due to demands and deterioration and when an item is out of stock, its demands are partially fulfilled by the other item and all unsatisfied demand is lost. Each substituted item incurs a...

2002
P. H. M. van Loosdrecht C. N. Presura M. Popinciuc D. van der Marel G. Maris T. T. M. Palstra P. J. M. van Bentum H. Yamada T. Yamauchi Y. Ueda

The recent discovery [1] of a clear metal– insulator transition (MIT) in the vanadium bronze βNa0.33V2O3 has sparked a revival of interest in this quasi one-dimensional(1D) metallic system. In addition to the MIT, β-Na0.33V2O3 undergoes a structural sodium ordering transition at higher temperatures, a magnetic transition at low temperatures, and a transition into a superconducting state under h...

Journal: :Physical review letters 2012
Chetan Dhital Z Yamani Wei Tian J Zeretsky A S Sefat Ziqiang Wang R J Birgeneau Stephen D Wilson

We report neutron scattering experiments probing the influence of uniaxial strain on both the magnetic and structural order parameters in the parent iron pnictide compound, BaFe2As2. Our data show that modest strain fields along the in-plane orthorhombic b axis can affect significant changes in phase behavior simultaneous to the removal of structural twinning effects. As a result, we demonstrat...

Journal: :Chemistry of Materials 2022

Bulk CsEuBr$_3$ and CsEuCl$_3$ are experimentally shown to be magnetic semiconductors that order antiferromagnetically at Neel temperatures of 2.0 K 1.0 respectively. Given nanoparticles thin films have been reported ferromagnetically a similar temperature, our observation antiferromagnetic ordering in expands the possible applications halide perovskites now include spintronic devices where bot...

Journal: :J. Comput. Physics 2007
Hyung Taek Ahn Mikhail J. Shashkov

We describe multi-material (more than two materials) interface reconstruction methods for 3D mesh of generalized polyhedrons. Basic information used in interface reconstruction is volume fractions of each material in mixed cell containing several materials. All methods subdivide mixed cell into set of pure non-overlapping sub-cells each containing just one material that have reference volume fr...

Journal: :Journal of Chemical Physics 2021

Ice V is a structurally highly complex material with 28 water molecules in its monoclinic unit cell. It classified as hydrogen-disordered phase of ice. Yet, some hydrogen-bonded display significant orientational order. Upon cooling pure ice V, additional ordering cannot be achieved on the experimental time scale. Doping hydrochloric acid has been shown to most effective enabling transition hydr...

Journal: :Physical review 2021

Triangular Heisenberg antiferromagnets are prototypes of geometric frustration, even if for nearest-neighbor interactions quantum fluctuations not usually strong enough to destroy magnetic ordering: stronger frustration is required stabilize a spin-liquid phase. On the basis static magnetization and electron spin resonance measurements, we demonstrate emergence ${\tilde{j}_{\text{eff}}=\frac12}...

Journal: :Science 2002
Seung-Wuk Lee Chuanbin Mao Christine E Flynn Angela M Belcher

A liquid crystal system was used for the fabrication of a highly ordered composite material from genetically engineered M13 bacteriophage and zinc sulfide (ZnS) nanocrystals. The bacteriophage, which formed the basis of the self-ordering system, were selected to have a specific recognition moiety for ZnS crystal surfaces. The bacteriophage were coupled with ZnS solution precursors and spontaneo...

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