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Displaying 24101 - 24125 of 74171

PROBING MATERIAL PROPERTIES WITH SHARP INDENTERS: A REVIEW

January 2, 2012
Author(s)
Brian R. Lawn, Robert F. Cook
A review on the use of sharp, fixed-profile indenters as materials probes is presented. Indentation is proposed as a simple but powerful methodology for evaluating basic mechanical properties—elastic modulus, hardness, toughness, etc.—in all classes of

Size Measurement of Nanoparticles Using Atomic Force Microscopy, ASTM E2859-11

January 2, 2012
Author(s)
Jaroslaw Grobelny, Frank W. DelRio, Pradeep Namboodiri, Doo-In Kim, Vincent A. Hackley, Robert F. Cook
The purpose of this document is to provide guidance on the quantitative application of atomic force microscopy (AFM) to determine the size of nanoparticles2 deposited in dry form on flat substrates using height (z-displacement) measurement. Unlike electron

Towards clean and crackless transfer of graphene

January 2, 2012
Author(s)
Xuelei X. Liang, Brent A. Sperling, Irene G. Calizo, Guangjun Cheng, Christina Hacker, Qin Zhang, Yaw S. Obeng, Kai Yan, Hailin Peng, Qiliang Li, Xiaoxiao Zhu, Hui Yuan, Angela R. Hight Walker, Zhongfan Liu, Lianmao Peng, Curt A. Richter
We present the results of a thorough study of wet chemical methods for transferring chemical vapor deposition grown graphene from the metal growth substrate to a device compatible substrate. Based on these results, we have developed a "modified RCA clean"

A robust diffusion-based gradient generator for dynamic cell assays.

January 1, 2012
Author(s)
Francisco J. Atencia, Gregory A. Cooksey, Laurie E. Locascio
This manuscript describes a new method to generate purely diffusive chemical gradients that can be modified in time. The device is simple in its design and easy to use, which makes it amenable to study biological processes that involve static or dynamic

Accessibility of Pores in Coal to Methane and Carbon Dioxide

January 1, 2012
Author(s)
Yuri B. Melnichenko, Lilin He, Richard Sakurovs, Arkady L. Kholodenko, Tomasz Blach, Maria Mastalerz, Andrzej P. Radlinski, Gang Cheng, David F. Mildner
Fluid-solid interactions in natural and engineered porous solids underlie a variety of technological processes, including geological storage of anthropogenic greenhouse gases, enhanced coal bed methane recovery, membrane separation, and heterogeneous

First Variation of the General Curvature-dependent Surface Energy

January 1, 2012
Author(s)
Gunay Dogan, Ricardo H. Nochetto
We consider general weighted surface energies, where the energies have the form of weighted integrals over a closed surface and the weight depends on the normal and the mean curvature of the surface. Energies of this form have applications in many areas
Displaying 24101 - 24125 of 74171
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