Zhi-Yong Jiao

China University of Petroleum, East China

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Zhao-Xian Yu

Beijing Information Science & Technology University

Xianfeng Xu

China University of Petroleum, East China

Fuping Liu

Guangxi Academy of Agricultural Science

Kaiyun Zhan

China University of Petroleum, East China

Dailin Li

Zhengzhou University of Light Industry

Yulei Jia

Xi'an University of Science and Technology

Gang Zhang

China University of Petroleum, East China

Yonggang Wang

Anhui University of Science and Technology

Xiang‐Gui Li

State Ethnic Affairs Commission

Bing-Hao Xie

Beijing Information Science & Technology University

Cooperative Institutions

China University of Petroleum, East China

Chinese Academy of Sciences

China University of Petroleum, Beijing

Shandong University

National Cheng Kung University

University of Chinese Academy of Sciences

Institute of Physics

Tianjin University

Harbin Institute of Technology

Tsinghua University

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GEOMETRIC PHASE IN A GENERALIZED TIME-DEPENDENT GIANT SPIN MODEL

Modern Physics Letters B (2009)

Anling Wang Fuping Liu Zhao-Xian Yu Zhi-Yong Jiao

By using of the invariant theory, we have studied the generalized time-dependent giant spin model. The dynamical and geometric phases are given, respectively. The Aharonov–Anandan phase is also obtained under the cyclical evolution.

Time evolution

10.1142/s021798490902093x

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Geometric Phase in a Time-Dependent System with ℑ (Ω) Algebra Structure

International Journal of Theoretical Physics (2009)

Zhao-Xian Yu Zhi-Yong Jiao Xiang‐Gui Li

Universal geometric algebra

Conformal geometric algebra

Invariant theory

Multivector

10.1007/s10773-009-0147-2

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Glass transition temperature of functionalized graphene–polymer composites

Computational Materials Science (2013)

Qingzhong Xue Cheng Lv Meixia Shan Hongxin Zhang Cuicui Ling

Surface Modification

10.1016/j.commatsci.2013.01.009

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Citations (71)

Comparison of signal-resonant and idler-resonant KTA-SROs

Chinese Optics Letters (2016)

Fen Bai Qingpu Wang Zhaojun Liu Zhi-Yong Jiao Xianfeng Xu

Two types of acousto-optically Q-switched Nd:YVO4/KTA singly resonated optical parametric oscillators are performed. One is signal resonant, where a 1.5 μm wave resonates while a 3.5 μm wave does not. The other is idler resonant, where a 3.5 μm wave resonates while a 1.5 μm wave does not. All the experimental elements are kept the same for these two schemes except for the coatings of the optical parametic oscillator cavity output coupler. For these two kinds of lasers, the output characteristics of the threshold, output power, pulse width, peak power, and beam quality are measured and compared.

SIGNAL (programming language)

Output coupler

10.3788/col201614.071402

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Citations (5)

Passively Q-switched and mode-locked YVO4/Nd:YVO4/Nd:YVO4 laser based on a MoS2 saturable absorber at 1342.5 nm

Optics & Laser Technology (2018)

Gang Zhang Yonggang Wang Jiang Wang Zhi-Yong Jiao

Saturable absorption

Envelope (radar)

Nd:YAG laser

Q-switching

Exfoliation joint

10.1016/j.optlastec.2018.08.024

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Citations (11)

Effect of defects on Young's modulus of graphene sheets: a molecular dynamics simulation

RSC Advances (2012)

Nuannuan Jing Qingzhong Xue Cuicui Ling Meixia Shan Teng Zhang

The effect of defects including vacancy and Stone–Wales (SW) defects on the Young's modulus of graphene sheets is investigated using molecular dynamic (MD) simulations. The simulations show that the presence of defects reduces the Young's modulus of graphene sheets and Young's modulus decreases with increasing degree of defects. In addition, the vacancy defects bring about a decrease in the Young's modulus, but their reconstruction is an important factor in stabilizing the modulus. Furthermore, we explore the Young's modulus of graphene with defects functionalized by hydrogen atoms and find that the hydrogenation of vacancy defects can increase the Young's modulus of the defective graphene but the hydrogenation of SW defects has the opposite effect.

10.1039/c2ra21228e

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Citations (162)

Adsorption and Catalytic Activation of O₂ Molecule on the Surface of Au-Doped Graphene under an External Electric Field

The Journal of Physical Chemistry C (2012)

Teng Zhang Qingzhong Xue Meixia Shan Zhi-Yong Jiao Xiaoyan Zhou

The interaction between oxygen molecule (O2) and metal-doped graphene has always been a heated discussed issue because O2 plays an important role in the graphene-based gas-storage materials, sensing platforms, and catalysts. In this article, the effect of an external electric field on the interaction between O2 and Au-doped graphene is studied using density-functional theory (DFT) calculations. The simulations show that O2 vertically moves away from Au-doped graphene substrate under a positive electric field, whereas under a negative electric field, accompanied by the vertical pushing out movement, O2 also moves toward the specific Au atom horizontally. Besides, the adsorption energy (Ead) of O2 is dramatically changed with electric field. A negative electric field strengthens the interaction between O2 and Au-doped graphene substrate, resulting in an enhanced Ead; the corresponding O–O distance (dO–O) is also elongated, while Ead is decreased and dO–O is shortened under a positive electric field. Because dO–O of the adsorbed O2 correlates with its catalytic activation, the findings can provide a new avenue to tune the O2 adsorption process onto Au-doped graphene substrate and may be useful in the future applications of graphene-based nanocatalyst.

10.1021/jp3073359

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Citations (106)

Highly Sensitive $\beta{-}{\rm Ga}_{2}{\rm O}_{3}$ Nanowire Nanowires Isopropyl Alcohol Sensor

IEEE Sensors Journal (2013)

Ya‐Ling Wu Qiuping Luan Shoou-Jinn Chang Zhi-Yong Jiao Wen Yin Weng

We report the growth of β-Ga ₂ O ₃ nanowires using a vapor phase transport method and the fabrication of β-Ga ₂ O ₃ nanowire gas sensor. The β-Ga ₂ O ₃ nanowire sensor shows reversible response to isopropyl alcohol (IPA) gas at temperature as low as 100 °C. With 300 ppm IPA gas introduced, it was found that measured responses were ~ 7.5%, 13.5%, and 23% when the sensor was operated at 100 °C, 200 °C, and 300 ^° C, respectively. It was also found that the responses measured at 300 °C were ~ 9%, 15.5%, 24%, and 33% when the injected IPA gas concentrations were 100, 200, 300, and 400 ppm, respectively.

Isopropyl alcohol

10.1109/jsen.2013.2283885

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Citations (31)

Geometric Phase in a Time-Dependent System with Higgs Algebra Structure

International Journal of Theoretical Physics (2009)

Zhao-Xian Yu Zhi-Yong Jiao Xiang‐Gui Li

Conformal geometric algebra

Universal geometric algebra

Invariant theory

10.1007/s10773-009-0083-1

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Optimization of diode-pumped doubly QML laser with neodymium-doped vanadate crystals at 1.34 μm

Journal of Modern Optics (2017)

Gang Zhang Zhi-Yong Jiao

We present a theoretical model for a diode-pumped, 1.34 μm V3+:YAG laser that is equipped with an acoustic-optic modulator. The model includes the loss introduced by the acoustic-optic modulator combined with the physical properties of the laser resonator, the neodymium-doped vanadate crystals and the output coupler. The parameters are adjusted within a reasonable range to optimize the pulse output characteristics. A typical Q-switched and mode-locked Nd:Lu0.15Y0.85VO4 laser at 1.34 μm with acoustic-optic modulator and V3+:YAG is set up, and the experimental output characteristics are consistent with the theoretical simulation results.

Neodymium

Vanadate

Laser diode

10.1080/09500340.2017.1417510

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