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Your search keyword '"Yuan, Lanying"' showing total 12 results
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12 results on '"Yuan, Lanying"'

2. Reduced nitrite accumulation at the primary nitrite maximum in the cyclonic eddies in the western North Pacific subtropical gyre

Author

Liu, Li, primary, Chen, Mingming, additional, Wan, Xianhui S., additional, Du, Chuanjun, additional, Liu, Zhiyu, additional, Hu, Zhendong, additional, Jiang, Zong-Pei, additional, Zhou, Kuanbo, additional, Lin, Hongyang, additional, Shen, Hui, additional, Zhao, Duo, additional, Yuan, Lanying, additional, Hou, Lei, additional, Yang, Jin-Yu T., additional, Li, Xiaolin, additional, Kao, Shuh-Ji, additional, Zakem, Emily J., additional, Qin, Wei, additional, Dai, Minhan, additional, and Zhang, Yao, additional

Published
2023
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7. Preparation and Characterization of W-Type Hexaferrite Doped with La3+

Author

Meng Jian, Hong Guangyan, Li Hongying, Gan Shu-cai, Xu Jijing, Zou Haifeng, and Yuan Lanying

Subjects
Permittivity, Nuclear magnetic resonance, Materials science, X-ray photoelectron spectroscopy, Geochemistry and Petrology, Permeability (electromagnetism), Doping, Analytical chemistry, General Chemistry, Microwave, Solid state reaction method
Abstract

A series of W-type ferrites with the composition of Ba1-x,LaxCo2Fe16O27(where, x =0.0, 0.05, 0.10, 0.15, 0.20 and 0.25) were prepared by solid-state reaction method. The structure transformations of the ferrites were examined by XRD, DTA-TG and XPS, and the microwave-absorbing properties were investigated by evaluating the permeability and permittivity of materials (μx ɛr). The results showed that the phase-transition temperature increased with the addition of La3+ content, and a single-phase was formed at 1250 °C at last. Microwave properties were obviously improved as a result of the substitution of La3+ for Ba2+ at the frequency range of 0.5 ∼ 18.0 GHz.

Published
2007

11. Experimental verification of vacancy defects and their vital role on reddish Bi4Ge3O12single crystals

Author

Yuan, Lanying, Ni, Haihong, Chen, Junfeng, Qi, Xuejun, Li, Xiang, Karaki, Tomoaki, and Wang, Dong

Abstract

Reddish bismuth germanate (Bi4Ge3O12, BGO) crystals are found during the industrial large-size and -scale crystal growth by Bridgman method, which directly causes visible absorption. The reddish can be eliminated by a modified oxygen-annealing. Oxygen vacancy is further confirmed through electron paramagnetic resonance, X-ray photoelectron spectroscopy, Raman spectroscopy to demonstrate the existence of vacancy defects and elucidate the nature and role. Bi vacancy in reddish BGO single crystals is verified via scanning transmission electron microscopy, energy-dispersive spectroscopy, and high-angle annular dark-field scanning TEM. The essence of annealing and vacancy evolution is also discussed.

Published
2022
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12. Growth and characterization of pure Li6Gd(BO3)3 single crystals by the modified Bridgman method

Author

Chen, Junfeng, Li, Yun, Song, Guilan, Yao, Dongmin, Yuan, Lanying, and Wang, Shaohua

Subjects
*CRYSTALLOGRAPHY, *CRYSTALS, *CRYSTAL growth, *CRYSTAL grain boundaries
Abstract

Abstract: Pure Li6Gd(BO3)3 single crystals with maximum dimension up to 23mm in diameter and 180mm in length have been grown successfully for the first time by the modified Bridgman method in platinum crucibles in the air atmosphere. The phase was checked by X-ray powder diffraction (XRD) and the symmetry belongs to monoclinic system with P21/c space group. The analysis of main compositions indicates a depletion of Gd and an excessiveness of Li or B in the tail of as-grown crystals ingots. It was found that the as-grown crystal has high optical transmittance within wavelength concerned. Photoluminescence (PL) and X-ray stimulated luminescence (XSL) of the as-grown LGBO crystals at room temperature were measured and discussed. [Copyright &y& Elsevier]

Published
2006
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