Results 291 to 300 of about 4,899,731 (375)

Rationally Designed Carbon Nanomaterials for Electrically Driven Solid‐State Hydrogen Storage

Advanced Functional Materials, EarlyView.
A bottom‐up design principle integrating atomic‐level and nanoscale structural engineering is developed to guide the rational design of electrically tunable, solid‐state hydrogen storage materials that enable non‐dissociative chemisorption under applied electric fields.
Yong Gao, Panyu Gao, Chao Li, Qiuyan Yue, Qing Liang, Sifan Qiao, Wei Zhang, Weitao Zheng, Lipeng Zhang, Zhenglong Li, Wen‐Gang Cui, Xiaowei Wang, Yiyang Wan, Mingchang Zhang, Xinqiang Wang, Yanxia Liu, Fulai Qi, Chenchen Li, Jian Miao, Jing Zhang, Xiao Han, Pan Wang, Chang Guo, Qiao Chen, Ziyuan Xu, Mingxia Gao, Wenping Sun, Yaxiong Yang, Jian Chen, Zhenhai Xia, Hongge Pan   +30 more
wiley   +1 more source

Prospects of Electric Field Control in Perpendicular Magnetic Tunnel Junctions and Emerging 2D Spintronics for Ultralow Energy Memory and Logic Devices

Advanced Functional Materials, EarlyView.
Electric control of magnetic tunnel junctions offers a path to drastically reduce the energy requirements of the device. Electric field control of magnetization can be realized in a multitude of ways. These mechanisms can be integrated into existing spintronic devices to further reduce the operational energy.
Will Echtenkamp, Brahmdutta Dixit, Yifei Yang, Deyuan Lyu, Thomas Peterson, Qi Jia, Yu‐Chia Chen, Jian‐Ping Wang   +7 more
wiley   +1 more source

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Contact angle measurement with a smartphone.

Review of Scientific Instruments, 2018
In this study, a smartphone-based contact angle measurement instrument was developed. Compared with the traditional measurement instruments, this instrument has the advantage of simplicity, compact size, and portability. An automatic contact point detection algorithm was developed to allow the instrument to correctly detect the drop contact points. Two
H. Chen, J. L. Muros-Cobos, J. L. Muros-Cobos, Alidad Amirfazli   +3 more
semanticscholar   +3 more sources

Contact Angle Measurements

, 2017
Contact angle has been an important parameter to determine the wetting ability of the polymer membrane surface. Contact angle has gained interest in surface science in regards to its fundamental aspects and application point of view. This chapter will give an insight into fundamentals of contact angle including the theoretical backgrounds, brief ...
R. Hebbar, A. Isloor, A. Ismail
semanticscholar   +2 more sources

Decreasing the Saturated Contact Angle in Electrowetting‐on‐Dielectrics by Controlling the Charge Trapping at Liquid–Solid Interfaces

Advanced Functional Materials, 2016
Hongmiao Tian, Jinyou Shao, Xiangming Li
exaly   +2 more sources

Contact Angles of Pharmaceutical Powders [PDF]

Journal of Pharmaceutical Sciences, 1977
Contact angles of pharmaceutical powders were determined by measuring the maximum height of a drop of a saturated solution on a presaturated compact of the material. The results for a series of drugs are presented.
P. Broersma, C.F. Lerk, M. Lagas, J.P. Boelstra   +3 more
openaire   +3 more sources

A new model for the formation of contact angle and contact angle hysteresis [PDF]

Chinese Physics B, 2010
The formation mechanism of the contact angle and the sliding angle for a liquid drop on a solid surface plays an important role in producing hydrophobic surfaces. A new half soakage model is established in this paper as a substitute for Wenzel (complete soakage) and Cassie (no soakage) models.
Gong Mao-Gang, Xu Xiao-Liang, Liu Yuan-Yue   +2 more
openaire   +1 more source

Dynamic contact angles and contact angle hysteresis

Journal of Colloid and Interface Science, 1977
Abstract Contact angles have been measured as a function of the three-phase-boundary velocity. Large velocity effects observed with other techniques were not seen using the plate method. It is possible to relate the dependence of contact angles on velocity to surface heterogeneity.
Dale A. Brandreth, Rulon E. Johnson, Robert H. Dettre   +2 more
openaire   +2 more sources

Contact angle measurement and contact angle interpretation

Advances in Colloid and Interface Science, 1999
Recent progress in the correlation of contact angles with solid surface tensions are summarized. The measurements of meaningful contact angles in terms of surface energetics are also discussed. It is shown that the controversy with respect to measurement and interpretation of contact angles are due to the fact that some (or all) of the assumptions made
Daniel Y. Kwok, A. W. Neumann
openaire   +2 more sources

Equilibrium contact angle or the most-stable contact angle?

Advances in Colloid and Interface Science, 2014
It is well-established that the equilibrium contact angle in a thermodynamic framework is an "unattainable" contact angle. Instead, the most-stable contact angle obtained from mechanical stimuli of the system is indeed experimentally accessible. Monitoring the susceptibility of a sessile drop to a mechanical stimulus enables to identify the most stable
F. J. Montes Ruiz-Cabello, M. A. Cabrerizo-Vílchez, Miguel A. Rodríguez-Valverde   +2 more
openaire   +3 more sources