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Showing 25 to 36 of 5603 entries
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High-Curie-Temperature Ferromagnetism in (Sc,Fe)F3 Fluorides and its Dependence on Chemical Valence.

Advanced materials (Deerfield Beach, Fla.)

Hu L, Chen J, Fan L, Ren Y, Huang Q, Sanson A, Jiang Z, Zhou M, Rong Y, Wang Y, Deng J, Xing X.
PMID: 26149472
Adv Mater. 2015 Aug 19;27(31):4592-6. doi: 10.1002/adma.201500868. Epub 2015 Jul 06.

A magnetic metal-fluoride system is shown for the first time to have a high Curie temperature (≈545 K). The magnetism correlates intimately with the Fe(2+)/Fe(3+) ratio. As the ratio increases, the weak magnetism displayed by unordered magnetic moments intensifies,...

Fourier transform infrared spectroscopy microscopic imaging classification based on multifractal methods.

Applied optics

Liu L, Yang X, Jing X.
PMID: 28234378
Appl Opt. 2017 Feb 20;56(6):1689-1700. doi: 10.1364/AO.56.001689.

Multifractal analysis (MFA) based on generalized concepts of fractals has been applied to biological tissues composed of complex structures. In this paper, a new MFA methodology based on the neighborhood spatial correlation (NSC) is proposed for an extracting texture...

Method to measure the position offset of multiple light spots in a distributed aperture laser angle measurement system.

Applied optics

Jing X, Cheng H, Xu C, Feng Y.
PMID: 28234382
Appl Opt. 2017 Feb 20;56(6):1740-1747. doi: 10.1364/AO.56.001740.

In this paper, an accurate measurement method of multiple spots' position offsets on a four-quadrant detector is proposed for a distributed aperture laser angle measurement system (DALAMS). The theoretical model is put forward, as well as the corresponding calculation...

New Insights into the Negative Thermal Expansion: Direct Experimental Evidence for the "Guitar-String" Effect in Cubic ScF3.

Journal of the American Chemical Society

Hu L, Chen J, Sanson A, Wu H, Guglieri Rodriguez C, Olivi L, Ren Y, Fan L, Deng J, Xing X.
PMID: 27336200
J Am Chem Soc. 2016 Jul 13;138(27):8320-3. doi: 10.1021/jacs.6b02370. Epub 2016 Jun 28.

The understanding of the negative thermal expansion (NTE) mechanism remains challenging but critical for the development of NTE materials. This study sheds light on NTE of ScF3, one of the most outstanding materials with NTE. The local dynamics of...

Note: A component-level frequency tunable isolator for vibration-sensitive chips using SMA beams.

The Review of scientific instruments

Zhang X, Ding X, Wu D, Qi J, Wang R, Lu S, Yan X.
PMID: 27370507
Rev Sci Instrum. 2016 Jun;87(6):066106. doi: 10.1063/1.4953922.

This note presents a component-level frequency tunable isolator for vibration-sensitive chips. The isolator employed 8 U-shaped shape memory alloy (SMA) beams to support an isolation island (used for mounting chips). Due to the temperature-induced Young's modulus variation of SMA,...

An insight into defect relaxation in metastable ZnO reflected by a unique luminescence and Raman evolutions.

Physical chemistry chemical physics : PCCP

Zeng H, Ning X, Li X.
PMID: 26151820
Phys Chem Chem Phys. 2015 Jul 15;17(29):19637-42. doi: 10.1039/c5cp02392k.

Defects play a crucial role in semiconductors, but a facile method to observe defect variation inside semiconductors is still absent. Here, we provide an insight into defect relaxation in metastable ZnO nanoparticles, which are prepared via nonequilibrium laser ablation...

Identifying Patterns of Lifestyle Behaviors among People with Type 2 Diabetes in Tianjin, China: A Latent Class Analysis.

Diabetes therapy : research, treatment and education of diabetes and related disorders

Wang X, Chen J, Liu X, Gao F, Zhao H, Han D, Jing X, Liu Y, Cui Z, Li C, Ma J.
PMID: 29094299
Diabetes Ther. 2017 Dec;8(6):1379-1392. doi: 10.1007/s13300-017-0327-7. Epub 2017 Nov 01.

INTRODUCTION: Lifestyle behaviors are essential elements of diabetes care. The aims of this study were to identify distinct subgroups of people with type 2 diabetes based on personal levels of lifestyle behaviors and explore the different characteristics across these...

Research on ultra-fast vacuum mechanical switch driven by repulsive force actuator.

The Review of scientific instruments

Yuan Z, He J, Pan Y, Jing X, Zhong C, Zhang N, Wei X, Tang G.
PMID: 28040972
Rev Sci Instrum. 2016 Dec;87(12):125103. doi: 10.1063/1.4968578.

In order to meet the fast operation demands of DC circuit breakers, a high-speed vacuum mechanical switch (VMS) driven by a repulsive force actuator is focused. To improve the drive speed and energy conversion efficiency (ECE) of the actuators,...

Observation of SOA tracers at a mountainous site in Hong Kong: Chemical characteristics, origins and implication on particle growth.

The Science of the total environment

Lyu XP, Guo H, Cheng HR, Wang XM, Ding X, Lu HX, Yao DW, Xu C.
PMID: 28667845
Sci Total Environ. 2017 Dec 15;605:180-189. doi: 10.1016/j.scitotenv.2017.06.161. Epub 2017 Jun 28.

Secondary organic aerosol (SOA) is an important constituent of airborne fine particles. PM

Polymorphisms of .

Journal of Cancer

Liu D, Xu W, Ding X, Yang Y, Su B, Fei K.
PMID: 29151966
J Cancer. 2017 Oct 17;8(18):3785-3794. doi: 10.7150/jca.21151. eCollection 2017.

As a crucial cell cycle regulator and G2/M phase promotor,

Gaining Mechanistic Insight with Control Pulse Slicing: Application to the Dissociative Ionization of CH.

The journal of physical chemistry. A

Xing X, Rey-de-Castro R, Rabitz H.
PMID: 29069897
J Phys Chem A. 2017 Nov 16;121(45):8632-8641. doi: 10.1021/acs.jpca.7b08835. Epub 2017 Nov 03.

In quantum control experiments with shaped femtosecond laser pulses, adaptive feedback control is often used to identify pulse shapes that can optimally steer the quantum system toward the desired outcome. However, gaining mechanistic information can pose a challenge due...

PbTiO.

Physical chemistry chemical physics : PCCP

Wang Y, Zhao H, Zhang L, Chen J, Xing X.
PMID: 28671205
Phys Chem Chem Phys. 2017 Jul 21;19(27):17493-17515. doi: 10.1039/c7cp01347g. Epub 2017 Jul 03.

Ferroelectric thin films, especially PbTiO

Showing 25 to 36 of 5603 entries