The Experts below are selected from a list of 125244 Experts worldwide ranked by ideXlab platform
Ivan K. Schuller - One of the best experts on this subject based on the ideXlab platform.
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Neutron Scattering—The key characterization tool for nanostructured magnetic materials
Journal of Magnetism and Magnetic Materials, 2014Co-Authors: Michael R. Fitzsimmons, Ivan K. SchullerAbstract:The novel properties of materials produced using nanoscale manufacturing processes often arise from interactions across interfaces between dissimilar materials. Thus, to characterize the structure and magnetism of nanoscale materials demands tools with interface specificity. Neutron Scattering has long been known to provide unique and quantitative information about nuclear and magnetic structures of bulk materials. Moreover, the specialty techniques of polarized Neutron reflectometry and small angle Neutron Scattering (SANS) with polarized Neutron beams and polarization analysis, are ideally and often uniquely suited to studies of nanostructured magnetic materials. Since Neutron Scattering is a weakly interacting probe, it gives quantifiable and easily-interpreted information on properties of statistically representative quantities of bulk, thin film and interfacial materials. In addition, Neutron Scattering can provide information to complement that obtained with bulk probes (magnetization, Kerr effect) or surface measurements obtained with scanning probe microscopy or resonant soft x-ray Scattering. The straightforward interpretation and the simultaneous availability of structural information, make Neutron Scattering the technique of choice for the structural and physical characterization of many novel materials, especially those with buried interfaces, ones allowing for isotopic substitutions to decorate buried interfaces, or cases where the magnetic response to an external stimulus can be measured. We describe recent applications of Neutron Scattering to important thin film materials systems and future opportunities. Unquestionably, Neutron Scattering has played a decisive role in the development and study of new emergent phenomena. We argue with the advent of new techniques in Neutron Scattering and sample environment, Neutron Scattering's role in such studies will become even more dominant. In particular, Neutron Scattering will clarify and distinguish between intrinsic vs. extrinsic origins of unusual behavior which invariably plague novel materials. Key to realizing these opportunities will be the development of sample environment capabilities especially tailored to test the origins of novel phenomena, and techniques to collect, analyze and correlate Neutron event detection with time dependent perturbations to the sample's environment.
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Neutron Scattering the key characterization tool for nanostructured magnetic materials
Journal of Magnetism and Magnetic Materials, 2014Co-Authors: Michael R. Fitzsimmons, Ivan K. SchullerAbstract:The novel properties of materials produced using nanoscale manufacturing processes often arise from interactions across interfaces between dissimilar materials. Thus, to characterize the structure and magnetism of nanoscale materials demands tools with interface specificity. Neutron Scattering has long been known to provide unique and quantitative information about nuclear and magnetic structures of bulk materials. Moreover, the specialty techniques of polarized Neutron reflectometry and small angle Neutron Scattering (SANS) with polarized Neutron beams and polarization analysis, are ideally and often uniquely suited to studies of nanostructured magnetic materials. Since Neutron Scattering is a weakly interacting probe, it gives quantifiable and easily-interpreted information on properties of statistically representative quantities of bulk, thin film and interfacial materials. In addition, Neutron Scattering can provide information to complement that obtained with bulk probes (magnetization, Kerr effect) or surface measurements obtained with scanning probe microscopy or resonant soft x-ray Scattering. The straightforward interpretation and the simultaneous availability of structural information, make Neutron Scattering the technique of choice for the structural and physical characterization of many novel materials, especially those with buried interfaces, ones allowing for isotopic substitutions to decorate buried interfaces, or cases where the magnetic response to an external stimulus can be measured. We describe recent applications of Neutron Scattering to important thin film materials systems and future opportunities. Unquestionably, Neutron Scattering has played a decisive role in the development and study of new emergent phenomena. We argue with the advent of new techniques in Neutron Scattering and sample environment, Neutron Scattering's role in such studies will become even more dominant. In particular, Neutron Scattering will clarify and distinguish between intrinsic vs. extrinsic origins of unusual behavior which invariably plague novel materials. Key to realizing these opportunities will be the development of sample environment capabilities especially tailored to test the origins of novel phenomena, and techniques to collect, analyze and correlate Neutron event detection with time dependent perturbations to the sample's environment.
P Boni - One of the best experts on this subject based on the ideXlab platform.
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multiple small angle Neutron Scattering a new two dimensional ultrasmall angle Neutron Scattering technique
Applied Physics Letters, 2007Co-Authors: C Grunzweig, T Hils, S Muhlbauer, K Lorenz, R Georgii, R Gahler, P BoniAbstract:We report on the demonstration experiment of the multiple small angle Neutron Scattering (MSANS) technique at a 5.6m long Neutron beam line, leading to a q resolution of 3×10−4A−1. The MSANS technique is based on two two-dimensional multihole apertures placed at the front end of the collimator and close to the sample, respectively. By choosing the proper MSANS geometry, individual diffraction patterns are superimposed leading to a large gain in intensity. Using MSANS as an option for standard small angle Neutron Scattering beam lines, the q resolution could be increased to 10−5A−1 without dramatically sacrificing intensity.
Michael R. Fitzsimmons - One of the best experts on this subject based on the ideXlab platform.
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Neutron Scattering—The key characterization tool for nanostructured magnetic materials
Journal of Magnetism and Magnetic Materials, 2014Co-Authors: Michael R. Fitzsimmons, Ivan K. SchullerAbstract:The novel properties of materials produced using nanoscale manufacturing processes often arise from interactions across interfaces between dissimilar materials. Thus, to characterize the structure and magnetism of nanoscale materials demands tools with interface specificity. Neutron Scattering has long been known to provide unique and quantitative information about nuclear and magnetic structures of bulk materials. Moreover, the specialty techniques of polarized Neutron reflectometry and small angle Neutron Scattering (SANS) with polarized Neutron beams and polarization analysis, are ideally and often uniquely suited to studies of nanostructured magnetic materials. Since Neutron Scattering is a weakly interacting probe, it gives quantifiable and easily-interpreted information on properties of statistically representative quantities of bulk, thin film and interfacial materials. In addition, Neutron Scattering can provide information to complement that obtained with bulk probes (magnetization, Kerr effect) or surface measurements obtained with scanning probe microscopy or resonant soft x-ray Scattering. The straightforward interpretation and the simultaneous availability of structural information, make Neutron Scattering the technique of choice for the structural and physical characterization of many novel materials, especially those with buried interfaces, ones allowing for isotopic substitutions to decorate buried interfaces, or cases where the magnetic response to an external stimulus can be measured. We describe recent applications of Neutron Scattering to important thin film materials systems and future opportunities. Unquestionably, Neutron Scattering has played a decisive role in the development and study of new emergent phenomena. We argue with the advent of new techniques in Neutron Scattering and sample environment, Neutron Scattering's role in such studies will become even more dominant. In particular, Neutron Scattering will clarify and distinguish between intrinsic vs. extrinsic origins of unusual behavior which invariably plague novel materials. Key to realizing these opportunities will be the development of sample environment capabilities especially tailored to test the origins of novel phenomena, and techniques to collect, analyze and correlate Neutron event detection with time dependent perturbations to the sample's environment.
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Neutron Scattering the key characterization tool for nanostructured magnetic materials
Journal of Magnetism and Magnetic Materials, 2014Co-Authors: Michael R. Fitzsimmons, Ivan K. SchullerAbstract:The novel properties of materials produced using nanoscale manufacturing processes often arise from interactions across interfaces between dissimilar materials. Thus, to characterize the structure and magnetism of nanoscale materials demands tools with interface specificity. Neutron Scattering has long been known to provide unique and quantitative information about nuclear and magnetic structures of bulk materials. Moreover, the specialty techniques of polarized Neutron reflectometry and small angle Neutron Scattering (SANS) with polarized Neutron beams and polarization analysis, are ideally and often uniquely suited to studies of nanostructured magnetic materials. Since Neutron Scattering is a weakly interacting probe, it gives quantifiable and easily-interpreted information on properties of statistically representative quantities of bulk, thin film and interfacial materials. In addition, Neutron Scattering can provide information to complement that obtained with bulk probes (magnetization, Kerr effect) or surface measurements obtained with scanning probe microscopy or resonant soft x-ray Scattering. The straightforward interpretation and the simultaneous availability of structural information, make Neutron Scattering the technique of choice for the structural and physical characterization of many novel materials, especially those with buried interfaces, ones allowing for isotopic substitutions to decorate buried interfaces, or cases where the magnetic response to an external stimulus can be measured. We describe recent applications of Neutron Scattering to important thin film materials systems and future opportunities. Unquestionably, Neutron Scattering has played a decisive role in the development and study of new emergent phenomena. We argue with the advent of new techniques in Neutron Scattering and sample environment, Neutron Scattering's role in such studies will become even more dominant. In particular, Neutron Scattering will clarify and distinguish between intrinsic vs. extrinsic origins of unusual behavior which invariably plague novel materials. Key to realizing these opportunities will be the development of sample environment capabilities especially tailored to test the origins of novel phenomena, and techniques to collect, analyze and correlate Neutron event detection with time dependent perturbations to the sample's environment.
C Grunzweig - One of the best experts on this subject based on the ideXlab platform.
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multiple small angle Neutron Scattering a new two dimensional ultrasmall angle Neutron Scattering technique
Applied Physics Letters, 2007Co-Authors: C Grunzweig, T Hils, S Muhlbauer, K Lorenz, R Georgii, R Gahler, P BoniAbstract:We report on the demonstration experiment of the multiple small angle Neutron Scattering (MSANS) technique at a 5.6m long Neutron beam line, leading to a q resolution of 3×10−4A−1. The MSANS technique is based on two two-dimensional multihole apertures placed at the front end of the collimator and close to the sample, respectively. By choosing the proper MSANS geometry, individual diffraction patterns are superimposed leading to a large gain in intensity. Using MSANS as an option for standard small angle Neutron Scattering beam lines, the q resolution could be increased to 10−5A−1 without dramatically sacrificing intensity.
Katrin Amann-winkel - One of the best experts on this subject based on the ideXlab platform.
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X-ray and Neutron Scattering of Water
Chemical Reviews, 2016Co-Authors: Katrin Amann-winkel, Marie-claire Bellissent-funel, Livia E. Bove, Thomas Loerting, Anders Nilsson, Alessandro Paciaroni, Daniel Schlesinger, Lawrie SkinnerAbstract:This review article focuses on the most recent advances in X-ray and Neutron Scattering studies of water structure, from ambient temperature to the deeply supercooled and amorphous states, and of water diffusive and collective dynamics, in disparate thermodynamic conditions and environments. In particular, the ability to measure X-ray and Neutron diffraction of water with unprecedented high accuracy in an extended range of momentum transfers has allowed the derivation of detailed O–O pair correlation functions. A panorama of the diffusive dynamics of water in a wide range of temperatures (from 400 K down to supercooled water) and pressures (from ambient up to multiple gigapascals) is presented. The recent results obtained by quasi-elastic Neutron Scattering under high pressure are compared with the existing data from nuclear magnetic resonance, dielectric and infrared measurements, and modeling. A detailed description of the vibrational dynamics of water as measured by inelastic Neutron Scattering is presented. The dependence of the water vibrational density of states on temperature and pressure, and in the presence of biological molecules, is discussed. Results about the collective dynamics of water and its dispersion curves as measured by coherent inelastic Neutron Scattering and inelastic X-ray Scattering in different thermodynamic conditions are reported.
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X-ray and Neutron Scattering of Water
Chemical reviews, 2016Co-Authors: Katrin Amann-winkel, Marie-claire Bellissent-funel, Livia E. Bove, Thomas Loerting, Anders Nilsson, Alessandro Paciaroni, Daniel Schlesinger, Lawrie B. SkinnerAbstract:This review article focuses on the most recent advances in X-ray and Neutron Scattering studies of water structure, from ambient temperature to the deeply supercooled and amorphous states, and of water diffusive and collective dynamics, in disparate thermodynamic conditions and environments. In particular, the ability to measure X-ray and Neutron diffraction of water with unprecedented high accuracy in an extended range of momentum transfers has allowed the derivation of detailed O–O pair correlation functions. A panorama of the diffusive dynamics of water in a wide range of temperatures (from 400 K down to supercooled water) and pressures (from ambient up to multiple gigapascals) is presented. The recent results obtained by quasi-elastic Neutron Scattering under high pressure are compared with the existing data from nuclear magnetic resonance, dielectric and infrared measurements, and modeling. A detailed description of the vibrational dynamics of water as measured by inelastic Neutron Scattering is pres...
