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Tong Wu, Shang Shi, Minghao Ren, Jingwen Wang and Jinyu Dong
Long-term erosion of granite?a type of hard rock?by hydrothermal fluids and tectonic movement can lead to a fragmentation of the internal structure of the original rock, transfer/replacement of mineral elements, and alteration of the rock?s basic propert...
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Daniyar Uskenbaev, Adolf Nogai, Alisher Uskenbayev, Kairatbek Zhetpisbayev, Eleonora Nogai, Pavel Dunayev, Ainur Zhetpisbayeva and Artur Nogai
In this paper influence of the excess Ca and Cu cations on the critical temperature (Tc) and critical transport current density (Jc) of high-temperature superconducting ceramics of the compositions (HTSC) Bi1.6Pb0.4Sr2Ca2.1Cu3.1Oy, Bi1.6Pb0.4Sr2Ca2.25Cu3...
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Fatma Barood, Mohd Mustafa Awang Kechik, Tan Sin Tee, Chen Soo Kien, Lim Kean Pah, Kai Jeat Hong, Abdul Halim Shaari, Hussein Baqiah, Muhammad Khalis Abdul Karim, Muhammad Kashfi Shabdin, Khairul Khaizi Mohd Shariff, Azhan Hashim, Nurbaisyatul Ermiza Suhaimi and Muralidhar Miryala
This article reports the effect of a nanoscale addition of TiO2 on the structure and superconducting parameters of the high-temperature superconductor YBa2Cu3O7-d (Y123). Polycrystalline compounds of Y123 with different percentages of TiO2, x = 0.0, 0.2,...
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Lingyao Meng, Jian Shang, Mengjiu Zhang, Aijun Xie and Yue Zhang
In this paper, rare-earth vanadiumizing layers were prepared on the surface of GCr15 steel by powder pack cementation. The tissue thicknesses of the vanadiumizing layers were characterized by metallographic microscopy, scanning electron microscopy, X-ray...
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Di Zhao, Pengxian You, Jing Yang, Junhong Yu, Hang Zhang, Min Liao and Jianbo Hu
Femtosecond hard X-ray pulses generated by laser-driven plasma sources are eminently suitable to probe structural dynamics due to the angstrom spatial resolution and sub-picosecond time resolution. However, the insufficient flux of X-ray photons and high...
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Sooheyong Lee, Hyusang Kwon, Byeong-Gwan Cho and Eric C. Landahl
We present the technical realization of a high-speed hard X-ray single-photon counting-detection scheme based on a commercial avalanche silicon photodiode and high-speed oscilloscope. The development is motivated by the need to perform pulse-resolved pho...
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Shuai (Marshall) Yang, Jinbao Huang, Jian Chen, James Joseph Noël, Ivan Barker, Jeffrey Daniel Henderson, Ping He, Haiping Zhang, Hui Zhang and Jesse Zhu
Powder coatings are gaining popularity for their economic and environmental benefits. Additives (pigments) such as zinc phosphate enhance the anti-corrosive properties of coatings, but their behavior in powder coatings has not been extensively studied. I...
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Zifeng Li, Guotan Liu, Guanqi Liu, Xiaoshuo Zhu and Yudong Fu
Nb-Si-C thin films were deposited onto Si(001) substrates by radio frequency (RF) magnetron sputtering using individual Nb, Si, and C targets. The effects of varying the sputtering power on the phase composition of the new thin films were studied. The st...
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Naushad Ahmad, Abdulaziz Ali Alghamdi, Hessah A. AL-Abdulkarim, Ghulam M. Mustafa, Neazar Baghdadi and Fahad A. Alharthi
The composite of ceria has been widely studied as an electrode material for supercapacitors applications due to its high energy density. Herein, we synthesize CeO2/NiO nanocomposite via a hydrothermal route and explore its different aspects using various...
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Jan Metje, Fabiano Lever, Dennis Mayer, Richard James Squibb, Matthew S. Robinson, Mario Niebuhr, Raimund Feifel, Stefan Düsterer and Markus Gühr
We present a highly flexible and portable instrument to perform pump-probe spectroscopy with an optical and an X-ray pulse in the gas phase. The so-called URSA-PQ (German for ?Ultraschnelle Röntgenspektroskopie zur Abfrage der Photoenergiekonversion an Q...
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