Xiaoli Tang

National Engineering Research Center of Electromagnetic Radiation Control Materials

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Huaiwu Zhang

University of Electronic Science and Technology of China

173

Hua Su

University of Electronic Science and Technology of China

110

Zhiyong Zhong

University of Electronic Science and Technology of China

104

Yulan Jing

University of Electronic Science and Technology of China

Hua Su

University of Electronic Science and Technology of China

Yuanxun Li

University of Electronic Science and Technology of China

Lichuan Jin

University of Electronic Science and Technology of China

Qin Zhang

University of Electronic Science and Technology of China

Hao Meng

Beijing University of Technology

Dainan Zhang

University of Delaware

Cooperative Institutions

University of Electronic Science and Technology of China

175

National Engineering Research Center of Electromagnetic Radiation Control Materials

132

Chinese Academy of Sciences

State Key Laboratory of Electronic Thin Films and Integrated Devices

Sichuan University

University of Chinese Academy of Sciences

Chengdu University

Zhejiang University of Technology

Nanjing University

Fudan University

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An efficient way to expand the operating frequency of the thin film inductor

Journal of Magnetism and Magnetic Materials (2003)

Xiaoli Tang

Inductive coupling

10.1016/j.jmmm.2003.08.002

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Citations (7)

Tuning of the spin pumping in yttrium iron garnet/Au bilayer system by fast thermal treatment

Journal of Applied Physics (2014)

Lichuan Jin Dainan Zhang Huaiwu Zhang Qinghui Yang Xiaoli Tang

In this Letter, we investigated the influence of the fast thermal treatment on the spin pumping in ferromagnetic insulator yttrium iron garnet (YIG)/normal metal Au bilayer system. The YIG/Au bilayer thin films were treated by fast annealing process with different temperatures from 0 to 800 °C. The spin pumping was studied using ferromagnetic resonance. The surface evolution was investigated using a high resolution scanning microscopy and an atomic force microscopy. A strong thermal related spin pumping in YIG/Au bilayer system has been revealed. It was found that the spin pumping process can be enhanced by using fast thermal treatment due to the thermal modifications of the Au surface. The effective spin-mixing conductance of the fast thermal treated YIG/Au bilayer has been obtained.

Yttrium Iron Garnet

Spin pumping

10.1063/1.4864046

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Citations (4)

Role of oxygen migration on the thermal stability of the perpendicular magnetic anisotropy in bottom and top structures

APL Materials (2022)

Wei Du Mengli Liu Fengxuan Han Hua Su Huaiwu Zhang

The effect of interfacial oxygen migration on the thermal stability of the perpendicular magnetic anisotropy (PMA) in bottom and top structures was investigated in detail. By controlling the diffusion of thermally activated oxygen atoms, PMA with high thermal stability was achieved in the top structure. Compared with the bottom structure, the range of annealing temperature for which PMA was observed was extended to higher temperature (60 °C higher) via the strong Fe–O bonding in the top structure. Through detailed x-ray photoelectron spectroscopy analyses, the chemical states of different elements in CoFeB/MgO layers and the oxygen atom diffusion were investigated to understand the mechanisms behind the obtained high thermal stability of the PMA. It was found that the absence of thermally activated oxygen atom migration in the top structure is the main reason for the high thermal stability of the PMA. This study provides a promising way to obtain PMA with high thermal stability in CoFeB–MgO-based spintronic devices, which is significant to improve the compatibility of magnetic memories with the semiconductor integrated technology.

Thermal Stability

10.1063/5.0076579

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Citations (7)

Cataract surgery is not associated with post‐operative binocular vision anomalies in age‐related cataract patients

Ophthalmic and Physiological Optics (2022)

Qing‐Qing Tan James S. Lewis Chang‐Jun Lan Xuan Liao Xiaoli Tang

To compare the binocular vision status of patients pre- and post-cataract surgery, and to investigate the risk factors for patients who develop binocular vision anomalies post-surgery.A prospective study of patients (≥50 years) who elected to undergo bilateral cataract surgery was implemented. A comprehensive binocular vision test battery including stereopsis, ocular alignment, fusional vergence, vergence facility, near point of convergence and the Convergence Insufficiency Symptom Survey (CISS) was administered before the first surgery and at the third visit after surgery on the second eye. A detailed diagnostic classification protocol was applied to identify the presence of binocular vision anomalies pre- and post-surgery.Seventy-three participants were included at baseline, 24 (33%) of whom were diagnosed with non-strabismic binocular vision anomalies (NSBVA), mainly convergence insufficiency (18/73, 25%). Fifty-one participants completed the post-operative evaluation, 17 (33%) of whom had NSBVA pre-surgery and 13 (26%) post-surgery (p = 0.48). There were a number of conversions from NSBVA to normal binocular vision and vice versa. Logistic regression showed that the adjusted odds ratio of pre-existing NSBVA diagnosis for predicting the risk of post-operative NSBVA was 6.37 (p < 0.01). There were no significant changes in most binocular vision measures post-surgery, except for a significant improvement in the CISS score (p < 0.01, Cohen's d = 0.83).Binocular vision anomalies, especially convergence insufficiency, are prevalent in the age-related cataract population. Cataract surgery does not appear to be a significant risk factor for the development of new binocular vision anomalies. A pre-existing binocular vision anomaly is the main risk factor for predicting a post-operative binocular vision anomaly in this population.

Vergence (optics)

Convergence insufficiency

Odds

10.1111/opo.13012

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Citations (2)

ChemInform Abstract: Tunable Regioselective Synthesis of Pyrazolo[3,4‐d]pyrimidine Derivatives via Aza‐Wittig Cyclization and Dimroth‐Type Rearrangement.

ChemInform (2015)

Tao Wang Jun Xiong Wenjuan Wang Rou Li Xiaoli Tang

Abstract Different substituted pyrazolo[3,4‐d]pyrimidine derivatives are efficiently and regioselectively obtained by aza‐Wittig/Ag(I)‐promoted reaction leading to compounds (III) or by base‐promoted tandem reaction leading to compounds (IV).

Wittig reaction

Tandem

10.1002/chin.201529222

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Citations (0)

Ultra-low-pressure sputtering to improve exchange bias and tune linear ranges in spin valves

Journal of Magnetism and Magnetic Materials (2017)

Xiaoli Tang You Yu Ru Liu Hua Su Huaiwu Zhang

Exchange bias

Spin valve

Biasing

10.1016/j.jmmm.2017.01.021

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Citations (10)

RF Integrated Planar Inductor Fabricated on Ferrite Substrates

International Conference on Communications, Circuits and Systems (2006)

B.y Liu H.w Zhang Xiaoli Tang Hua Su

A high frequency planar inductor fabricated directly on ferrite substrate is proposed in this paper. The NiCuZu ferrite was selected as the substrate. Due to NiCuZn's high resistivity, no insulator is required. So, it is an advantage in terms of ease fabricated and stray capacitance reduction. Sandwiched inductors show improvement of inductance from 16nH to 80nH at 1MHz compare with the coreless inductors, and the increment of inductance is larger than the magnetic thin-film inductor.

Parasitic capacitance

Ferrite core

10.1109/icccas.2006.285210

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Citations (3)

Changing and reversing the exchange bias in a current-in-plane spin valve by means of an electric current

Applied Physics Letters (2007)

Xiaoli Tang Huaiwu Zhang Hua Su Zhiyong Zhong Yulan Jing

The authors show that a current flowing in a direction not perpendicular to the layer planes of an exchange-biased spin valve systematically changes the exchange bias. The direction of the exchange bias can be completely reversed when a large enough current is applied. This effect occurs only when the direction of the initial sweeping magnetic field is antiparallel to the exchange-bias field. The effect is attributed to the recently predicted current-induced torque in an antiferromagnet and provides evidence to support the prediction that the critical current is smaller in an antiferromagnet than the typical value for current switching in a ferromagnet.

Exchange bias

Antiparallel (mathematics)

Spin valve

Reversing

Biasing

Electric current

10.1063/1.2786592

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Citations (45)

Correlation between the microstructure and permeability stability of ferrite materials

Ceramics International (2017)

Hua Su Chengyu Zhao Hai Guo Qigen Wang Chunlei Dai