Orientational Distribution Function of Aligned Elongated Molecules and Particulates Determined from Their Scattering Signature

Huang Guan-Rong; Wang Yangyang; Do Changwoo; Shinohara Yuya; Egami Takeshi; Porcar Lionel; Liu Yun; Chen Wei-Ren

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Orientational Distribution Function of Aligned Elongated Molecules and Particulates Determined from Their Scattering Signature

机译：对齐的细长分子和颗粒的取向分布函数从它们的散射签名确定

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We present a strategy for quantitatively evaluating the field-induced alignment of nonspherical particles using small-angle scattering techniques. The orientational distribution function (ODF) is determined from the anisotropic scattering intensity via the scheme of real spherical harmonic expansion. Our developed approach is simple and analytical and does not require a presumptive hypothesis of the ODF as an input in data analysis. A model study of aligned rigid rods demonstrates the validity of this proposed approach to facilitate the quantitative structural characterization of materials with preferred orientational states.

机译：我们使用小角度散射技术展示了一种定量评估非球颗粒的场诱导的对准的策略。通过真实球面谐波膨胀方案从各向异性散射强度确定取向分布函数（ODF）。我们开发的方法简单且分析，并且不需要ODF的推定假设作为数据分析中的输入。对齐的刚性杆的模型研究表明了这种提出方法的有效性，以便于具有优选的取向状态的材料的定量结构表征。

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《ACS Macro Letters》 |2019年第10期|共6页
作者
Huang Guan-Rong; Wang Yangyang; Do Changwoo; Shinohara Yuya; Egami Takeshi; Porcar Lionel; Liu Yun; Chen Wei-Ren;
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作者单位

Oak Ridge Natl Lab Neutron Scattering Div Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab Ctr Nanophase Mat Sci Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab Neutron Scattering Div Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab Mat Sci &

Technol Div Oak Ridge TN 37831 USA;

Oak Ridge Natl Lab Mat Sci &

Technol Div Oak Ridge TN 37831 USA;

Inst Laue Langevin BP 156 F-38042 Grenoble 9 France;

NIST Ctr Neutron Res Gaithersburg MD 20899 USA;

Oak Ridge Natl Lab Neutron Scattering Div Oak Ridge TN 37831 USA;

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正文语种 eng
中图分类有机化学;
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1. Orientational Distribution Function of Aligned Elongated Molecules and Particulates Determined from Their Scattering Signature [J] . Huang Guan-Rong, Wang Yangyang, Do Changwoo, ACS Macro Letters . 2019,第10期

机译：对齐的细长分子和颗粒的取向分布函数从它们的散射签名确定
2. Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: Implications for inverting zooplankton spectral acoustic signatures for angle of orientation [J] . L. V. Martin Traykovski, R. L. ODriscoll, D. E. McGehee The Journal of the Acoustical Society of America . 1998,第4期

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3. Spin probe orientation distribution functions in aligned nematic liquid crystal [J] . T.S. Yankova, N.A. Chumakova, D.A. Pomogailo, Magnetic resonance in solids . 2011,第2期

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4. Classification of polarimetric radar signatures using scatterers' joint amplitude and phase distribution functions [C] . Firooz Sadjadi Conference on Automatic Target Recognition XIII Apr 22-24, 2003 Orlando, Florida, USA . 2003

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5. Relationship between electron delocalization and asymmetry of the pair distribution function as determined by x-ray absorption spectroscopy. [D] . Calvin, Scott. 2001

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6. Effects of Angular Dependency of Particulate Light Scattering Intensity on Determination of Samples with Bimodal Size Distributions Using Dynamic Light Scattering Methods [O] . Haruhisa Kato, Ayako Nakamura, Shinichi Kinugasa 2018

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7. Orientational Distribution Function of Aligned Elongated Molecules and Particulates Determined from Their Scattering Signature [O] . -1

机译：对齐的细长分子和颗粒的取向分布函数从它们的散射签名确定
8. Orientation, Stress, and Density Distributions in Injection-Moulded AmorphousPolymers Determined by Optical Techniques [R] . Wimberger-friedl, R. 1991

机译：注入模塑非晶态聚合物的取向，应力和密度分布由光学技术确定

Orientational Distribution Function of Aligned Elongated Molecules and Particulates Determined from Their Scattering Signature

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