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Materials

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Displaying 1001 - 1025 of 2328

A reference high-pressure CO2 adsorption isotherm for ammonium ZSM-5 zeolite: results of an interlaboratory study

July 26, 2018
Author(s)
Huong Giang T. Nguyen, Laura Espinal, Roger D. van Zee, Matthias Thommes, Blaza Toman, Sterlin Hudson, Enzo Mangano, Stefano Brandani, Katie Cychosz, Pieter Bertier, Feng Yang, Bernhard Krooss, Rebecca Siegelman, Jeffrey Long, Yoko Nakada, Kazu Nakai, Armin Ebner, James Ritter, Aaron Moran, Orhan Talu, Yi Huang, Krista Walton, Pierre Billemont, Guy de Weireld
This paper reports the results of an international interlaboratory study led by the National Institute of Standards and Technology (NIST) on the measurement of high-pressure surface excess carbon dioxide adsorption isotherms on NIST Reference Material RM

The Relation of Local Order to Material Properties in Relaxor Ferroelectrics

June 25, 2018
Author(s)
Matthew Krogstad, Peter M. Gehring, Stephan Rosenkranz, Raymond Osborn, Feng Ye, Yaohua Liu, Jacob P. C. Ruff, Wenzhi Chen, Justin M. Wozniak, Haosu Luo, O. Chmaissem, Zuo-Guang Ye, Daniel Phelan
Four different forms of local order that give rise to diffuse neutron and x-ray scattering in the relaxor ferroelectric series PMN-xPT are identified via broad, three-dimensional surveys of reciprocal space. Composition and temperature-dependent

Design of an Ultrathin Cold Neutron Detector

June 11, 2018
Author(s)
A. Osovizky, Kevin N. Pritchard, Y. Yehuda-Zada, Jeffrey B. Ziegler, Louis E. Binkley, Peter NMN Tsai, Alan Keith Thompson, Nancy Hadad, M. Jackson, C. Hurlbut, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj
We describe the design and performance of an ultrathin ( 2mm) cold neutron proportional counter consisting of 6LiF:ZnS(Ag) scintillator in which wavelength shifting fibers have been embedded to conduct scintillation photons out of the medium to a silicon

What Causes the Anomalous Aggregation in Pluronic Aqueous Solutions?

May 28, 2018
Author(s)
Kuo-Chih Shih, Zhiqiang Shen, Ying Li, Martin Kroger, Shing-Yun Chang, Yun Liu, Mu-Ping Nieh, Hsi-Mei Lai
Pluronic (PL) block copolymers has been widely used as delivery carriers, molecular templates for porous media, process additive of affecting rheological behavior. Unlike most surfactant systems, where unimer transforms into micelle with increased

Structure and Dynamics of a Graphene Melt

May 22, 2018
Author(s)
Jack F. Douglas, Sinan Keten, Fernando Vargas-Lara, Wenjie Xia
We show by molecular dynamics simulation that bulk materials composed of graphene nanosheets exhibit fluid-like properties similar to linear polymer melts at elevated temperatures and that these materials transform into a glassy or “foam” state at low

Emerging investigators in materials science 2017-2018

May 21, 2018
Author(s)
Frank W. DelRio, Robert Riggleman
Materials Research Express is a multidisciplinary journal devoted to publishing cutting-edge experimental and theoretical research on the processing, structure, properties, and performance of all classes of materials, with an emphasis on the following

Controlling Pore Shape and Size of Interpenetrated Anion-Pillared Ultramicroporous Materials Enables Molecular Sieving of CO 2 Combined with Ultrahigh Uptake Capacity

May 16, 2018
Author(s)
Mengdie Jiang, Bin Li, Xili Cui, Qiwei Yang, Zongbi Bao, Yiwen Yang, Hui Wu, Wei Zhou, Banglin Chen, Huabin Xing
The separation of carbon dioxide (CO 2) from hydrocarbons is a critical process for the production of clean energy and high-purity chemicals. Adsorption based on molecular sieving is an energy-saving separation process; however most of molecular sieves

Superconformal Nickel Deposition in Through Silicon Vias: Experiment and Prediction

May 16, 2018
Author(s)
Trevor Braun, Daniel Josell, Thomas P. Moffat, Hyo Jong Lee, SH Kim
This work examines the filling of Through Silicon Vias (TSV) by Ni deposition from a NiSO4 + NiCl2 + H3BO3 electrolyte containing a branched polyethyleneimine suppressor previously. Feature filling occurs through the coupling of transport limited

Fine Tuning and Specific Binding Sites with a Porous Hydrogen-Bonded Metal-Complex Framework for Gas Selective Separations

May 14, 2018
Author(s)
Zongbi Bao, Danyan Xie, Ganggang Chang, Hui Wu, Liangying Li, Wei Zhou, Hailong Wang, Zhiguo Zhang, Huabin Xing, Qiwei Yang, Michaek J. Zaworotko, Qilong Ren, Banglin Chen
Research on HOFs has been developed for quite a long time; however, those with both established permanent porosities and functional properties are extremely rare due to weak hydrogen-bonding interactions among molecular organic linkers which are much more

A Metal-Organic Framework with Optimized Porosity and Functional Sites for High Gravimetric and Volumetric Methane Storage Working Capacities

April 24, 2018
Author(s)
Hui-Min Wen, Bin Li, Libo Li, Rui-Biao Lin, Wei Zhou, Guodong Qian, Banglin Chen
Extensive research has been devoted to develop new porous materials for high methane storage capacity. While great progress has been made in recent years, it still remains very challenging to target simultaneously high gravimetric and volumetric methane

Screened Moments and Extrinsic In-Gap States in Samarium Hexaboride

April 18, 2018
Author(s)
W. T. Fuhrman, J. R. Chamorro, P. A. Alekseev, J.-M. Mignot, T. Keller, Jose Rodriguez Rivera, Yiming Qiu, P. Nikolic, T. M. McQueen, Collin L. Broholm
The Kondo impurity effect in metals is the result of quantum-mechanical scattering of conduction electrons by magnetic impurities. 1 This process leads to exotic effects such as unconventional superconductivity and an effective electron mass enhanced by 2
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