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Yiming Li, Joshua Mann and James Rosenzweig
Field electron emission, or electron tunneling through a potential energy (PE) barrier under the influence of a strong electrostatic (ES) or radio frequency (RF) field, is of broad interest to the accelerator physics community. For example, it is the sou...
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Zehua Gao, Wei Ma, Sijiang Huang, Peiyao Hua and Chuwen Lan
A field emission scanning electron microscope (FESEM) is a complex scanning electron microscope with ultra-high-resolution image scanning, instant printing, and output storage capabilities. FESEMs have been widely used in fields such as materials science...
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Heetae Kim, Chang-Soo Park and Soon Jae Yu
This research is useful to understanding generalized electron emission in low-dimensional conducting materials.
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Carina Hedrich, Stefanie Haugg, Leutrim Pacarizi, Kaline P. Furlan, Robert H. Blick and Robert Zierold
One-dimensional zinc oxide nanostructures have aroused interest from scientists and engineers for electron field emission applications because of their experimentally accessible high aspect ratio in combination with their low work function. A comprehensi...
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Gerard Lawler, Kunal Sanwalka, Yumeng Zhuang, Victor Yu, Timo Paschen, River Robles, Oliver Williams, Yusuke Sakai, Brian Naranjo and James Rosenzweig
Electron beams are essential tools in modern science. They are ubiquitous in fields ranging from microscopy to the creation of coherent ultra-fast X-rays to lithography. To keep pace with demand, electron beam brightness must be continually increased. On...
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Norihiro Shimoi and Kazuyuki Tohji
Field emitters can be used as a cathode electrode in a cathodoluminescence device, and single-walled carbon nanotubes (SWCNTs) that are synthesized by arc discharge are expected to exhibit good field emission (FE) properties. However, a cathodoluminescen...
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Rolf Behling
Abrupt formation of plasma in a high-voltage insulating vacuum gap and subsequent discharge of electrodes limits the reliability of a class of vacuum electronic devices, such as X-ray tubes. It has been suggested that electron field emission from negativ...
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Yan Xi, Junhao Xing, Jiajia Feng, Congming Ma, Xiutian Yang, Yudong Tian and Xin Liu
Cement has been widely used as a structural material in many underground projects, and these projects often face high- or ultra-high-temperature environments, leading to the deterioration of the mechanical, porosity, and permeability properties of set ce...
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Asadullah Dawood, Shazia Bashir, Naveed Ahmed, Asma Hayat, Abdullah Yahia AlFaify, Syed Muhammad Abouzar Sarfraz, Shahab Ahmed Abbasi and Ateekh Ur Rehman
In the present study, the influence of a 1.1 tesla Transverse Magnetic Field (TMF) on Laser-Induced Breakdown Spectroscopy (LIBS) of Mg-alloy plasma has been explored. The Mg plasma was produced using an Nd: YAG laser (1064 nm, 10 ns) at an intensity of ...
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Sharifah Zati Hanani Syed Zuber
Pág. 2
Silver nanoparticles (AgNPs) had been widely synthesized and studied partly due to its antimicrobial properties that can be incorporated in footwear, paint, wound dressing, appliances and plastics. Three methods that can be used to synthesized silver nan...
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Shahrouz Zamani Khalajabadi, Aminudin Bin Haji Abu, Norhayati Ahmad, Mohammed Rafiq Abdul Kadir, Ahmad Fauzi Ismail, Rozita Nasiri, Waseem Haider and Norizah Bt Hj Redzuan
In the field of orthopedics, magnesium (Mg) and magnesium-based composites as biodegradable materials have attracted fundamental research. However, the medical applications of magnesium implants have been restricted owing to their poor corrosion resistan...
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Shahrouz Zamani Khalajabadi, Aminudin Bin Haji Abu, Norhayati Ahmad, Mohammed Rafiq Abdul Kadir, Ahmad Fauzi Ismail, Rozita Nasiri, Waseem Haider and Norizah Bt Hj Redzuan
In the field of orthopedics, magnesium (Mg) and magnesium-based composites as biodegradable materials have attracted fundamental research. However, the medical applications of magnesium implants have been restricted owing to their poor corrosion resistan...
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Raman Devi, Vinay Kumar, Sunil Kumar, Mamta Bulla, Shruti Sharma and Ashutosh Sharma
MnO2 is the most favorable material in power storage due to its technological significance and potential applications in pseudocapacitance (due to various oxidative states allowing efficient charge transfer to meet energy demands), where its properties a...
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Wen Ge, Wensheng Li, Rihong Li, Yifan Dong, Ziming Zeng, Hui Cao, Longlin Yu, Zhijie Wen and Jin He
The uniformity and microstructure of the copper deposition in the high aspect ratio plated through holes (penetrating holes) are crucial for the performance of printed circuit board. We systematically investigated the effects of reverse pulse parameters ...
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Hun Kim, Yang-Ho Lee, Nam-Kwon Kim and Inn-Kyu Kang
Zirconia, with its excellent mechanical strength and esthetics, has a growing potential for applications in dentistry and orthopedics. However, in order for zirconia to have a high affinity with bone tissue, the bioactivity of the surface must be further...
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Khansaa Dawood Salman, Wisam Abed Kattea Al-Maliki, Falah Alobaid and Bernd Epple
This work aims to define the microstructure and to study the mechanical properties of an Al matrix incorporated with various amounts of Fe2O3 (3, 6, 9, 12 and 15 wt.%) with a constant amount of Ag at 1 wt.%. Al/Fe2O3 + Ag hybrid nano-composite samples ar...
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Brandon Khek, Aashwin Mishra, Micah Buuck and Tom Shutt
Diverse phenomena such as positron annihilation in the Milky Way, merging binary neutron stars, and dark matter can be better understood by studying their gamma ray emission. Despite their importance, MeV gamma rays have been poorly explored at sensitivi...
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Nam Chul Cho, Min Kyeong Jang and Il Kwon Huh
Bronze mirrors, considered important grave goods, were widely used before glass mirrors in ancient times. Most excavated bronze artifacts are covered with corrosive materials and lose their original colors. More importantly, identifying corrosion charact...
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Jeongyeon Choi and Heekyung Jeon
This study focused on the manufacturing of functional superabsorbent sponges using natural polymers. An alginate/CMC-embedded dextran hybrid dual-layer formulation was prepared using the freeze-drying method. The physical properties of the formulation we...
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Sang-ik Lee, Jin-Yong Choi and Won Choi
To analyze the effect of a groove cross-sectional shape on disc filters, a head loss analysis and filtration performance test were conducted using disc filters with different groove shapes (semi-elliptical- and trapezoidal-shaped grooves). Furthermore, t...
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