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2.3 μm nanosecond passive Q-switching of an LD-pumped Tm:YLF laser using gold nanorods as a saturable Research

Fu-yan Wu, Shi-qiang Wang, Hai-wei Chen, Hai-tao Huang,wfyjsnu@126.com,wsq274412@126.com,haiwei0819@163.com,hht840211@163.com

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 3,   Pages 312-317 doi: 10.1631/FITEE.2000110

Abstract: of an LD-pumped Tm:YLF laser using GNRs was successfully realized in this study.Pulses with an 843 ns pulse width and a 6.67 kHz repetition rate were achieved using this Q-switched laserResults showed that GNRs provide promising passive Q-switches for Tm-doped lasers.

Keywords： Gold nanorods     Passive Q-switching     2.3 μm     Tm-doped laser materials    

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Properties of Ag-doped Bi-Sb alloys as thermoelectric conversion materials for solid state refrigeration

Wen XU, Laifeng LI, Rongjin HUANG, Min ZHOU, Liyun ZHENG, Linghui GONG, Chunmei SONG

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 90-93 doi: 10.1007/s11708-009-0005-1

Abstract: The energy conversion properties of Bi-Sb system thermoelectric materials doped by Ag was investigatedThe results reveal that the electric conductivities of the Ag-doped Bi-Sb alloys are highly improved.m) at 255 K, which is about three times that of the un-doped sample Bi Sb at the same temperature.

Keywords： thermoelectric conversion materials     high-pressure sintering     thermoelectric properties    

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Review of materials used in laser-aided additive manufacturing processes to produce metallic products

Xiaodong NIU, Surinder SINGH, Akhil GARG, Harpreet SINGH, Biranchi PANDA, Xiongbin PENG, Qiujuan ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 282-298 doi: 10.1007/s11465-019-0526-1

Abstract: However, such technologies, with the exception of selective laser melting and sintering, are not usedThese technologies utilize materials, such as Ni-, Al-, and Ti-based alloys and stainless steel powdersThe present work reviews the type of materials used in laser-based AM processes for the manufacture ofThe advantages and disadvantages of processes and different materials are summarized, and future research

Keywords： direct metal deposition     laser-based manufacturing     rapid manufacturing     selective laser melting     additive    

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Influence of Fe on electrocatalytic activity of iron-nitrogen-doped carbon materials toward oxygen reduction

Lin LI, Cehuang FU, Shuiyun SHEN, Fangling JIANG, Guanghua WEI, Junliang ZHANG

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 812-821 doi: 10.1007/s11708-020-0669-0

Abstract: The development of highly active nitrogen-doped carbon-based transition metal (M-N-C) compounds for theAmong different M-N-C electrocatalysts, the series of Fe-N-C materials are highly favored because ofinfluences of Fe on the ORR electrocatalytic activity, which will, in turn, guide the design of Fe-N-C materials

Keywords： oxygen reduction reaction     Fe-N-C     active sites     Fe addition     second heat treatment    

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Solid-state-reaction fabrication and properties of a high-doping Nd:YAG transparent laser ceramic

WU Yusong, LI Jiang, PAN Yubai, LIU Wenbin, AN Liqiong, WANG Shiwei, GUO Jingkun

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 248-252 doi: 10.1007/s11705-008-0048-6

Abstract: High-quality neodymium-doped yttrium aluminum garnet (Nd:YAG) transparent ceramic (4.0 mole percent)The transmittance of a 2.8-mm thick sample reaches 79.5% at the laser wavelength of 1064 nm.The absorption coefficient at the laser wavelength is 0.2 cm.laser experiment was performed.The 1064 nm-CW-laser output was obtained and the threshold is 733 mW.

Keywords： neodymium-doped yttrium     maximum absorbed     microstructure     fluorescence lifetime     threshold    

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High-Throughput Multi-Plume Pulsed-Laser Deposition for Materials Exploration and Optimization Article

Samuel S. Mao,Xiaojun Zhang

Engineering 2015, Volume 1, Issue 3,   Pages 367-371 doi: 10.15302/J-ENG-2015065

Abstract:

A high-throughput multi-plume pulsed-laser deposition (MPPLD) system has been demonstrated and comparedWhereas most combinatorial pulsed-laser deposition (PLD) systems have focused on achieving thickness

Keywords： pulsed-laser deposition     high-throughput    

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Rare Earth Industry Towards the 21st Century

Yang Yuchun

Strategic Study of CAE 2000, Volume 2, Issue 9,   Pages 91-100

Abstract: The better way out for this problem is to develop new products, especially the high-tech materials andcatalysis (in petroleum cracking and automobile exhaust emission control), solid oxide fuel cell and lasermaterials, etc., is described in this paper.

Keywords： rare earth oxides     permanent magnetic materials     hydrogen storage alloy     catatyst     fuel cell     laser materials    

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Development of Laser Additive Manufacturing Technology for Metals

Guo Shaoqing, Liu Wei, Huang Shuai, Xiang Qiao

Strategic Study of CAE 2020, Volume 22, Issue 3,   Pages 56-62 doi: 10.15302/J-SSCAE-2020.03.009

Abstract:

Laser additive manufacturing (LAM) technology for metals is one of the

Keywords： laser additive manufacturing     metallic materials     equipment     industrial application     development proposals    

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Cracking evolution behaviors of lightweight materials based on

Y. Luo, S. C. Wu, Y. N. Hu, Y. N. Fu

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 461-481 doi: 10.1007/s11465-018-0481-2

Abstract: This paper provides a brief review of studying the crack initiation and propagation inside lightweight materialswith advanced synchrotron three-dimensional (3D) X-ray imaging, such as aluminum materials.For the hybrid laser welded aluminum alloy, fatigue cracks usually initiate from gas pores located at

Keywords： fatigue crack initiation and growth     fatigue damage mechanism     damage tolerance     defect characterization     laser    

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Electrocatalytic reduction of NO to NH in ionic liquids by P-doped TiO nanotubes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 726-734 doi: 10.1007/s11705-022-2274-8

Abstract: Herein, it is shown that phosphorus (P)-doped titania (TiO2) nanotubes can be adopted as highly

Keywords： nitric oxide reduction reaction     electrcatalysis     ammonia production     phosphorus-doped titania    

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Development Strategy of Key Materials for Novel Display in China

Gao Weinan, Bi Yong, Liu Xinhou, Xu Zuyan

Strategic Study of CAE 2020, Volume 22, Issue 5,   Pages 44-50 doi: 10.15302/J-SSCAE-2020.05.007

Abstract: Key materials and process technologies are critical for the novel display industry development.In this article, the status quo, development trend, and problems of the key materials and their applicationChina are systematically analyzed, and the corresponding development goals and directions of the key materialsTo this end, it should promote display applications and focus on breakthroughs regarding key materialsadvantages of interested parties to make breakthroughs regarding the common technologies of key display materials

Keywords： novel display     organic light emitting diode (OLED)     Micro-LED     laser display     key materials    

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Cobalt nanoparticle decorated N-doped carbons derived from a cobalt covalent organic framework for oxygen

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1550-1560 doi: 10.1007/s11705-021-2104-4

Abstract: In this work, cobalt nanoparticle decorated N-doped carbons (Co@NC) are synthesized by the pyrolysisThe Co@NC demonstrates improved electrocatalytic capabilities compared to N-doped carbon without thealso confirmed in a home-built Zn-air battery, signifying the possibility for application in electrode materials

Keywords： cobalt embedment     N-doped carbons     covalent organic framework     oxygen reduction     Zn-air battery    

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Concurrent adsorption and reduction of chromium(VI) to chromium(III) using nitrogen-doped porous carbon

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-021-1491-6

Abstract:

• A high-efficiency N-doped porous carbon adsorbent for Cr(VI) was synthesized

Keywords： Chromium(VI)     Nitrogen-doped porous carbon     Adsorption     Reduction     Loofah sponge    

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Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Strategic Study of CAE 2020, Volume 22, Issue 3,   Pages 78-84 doi: 10.15302/J-SSCAE-2020.03.012

Abstract:

Laser cutting and joining technology is indispensable as an advancedbe surely promoted by the integration of laser technology and digital manufacturing technology.joining and cutting technology, namely, laser welding, laser cutting, laser drilling, and laser markingThe problems faced by the development of the laser joining and cutting technology are discussed.unit, laser materials processing, and intelligent integration.

Keywords： laser material processing     laser welding     laser cutting     laser drilling     laser marking    

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Title Author Date Type Operation

2.3 μm nanosecond passive Q-switching of an LD-pumped Tm:YLF laser using gold nanorods as a saturable

Fu-yan Wu, Shi-qiang Wang, Hai-wei Chen, Hai-tao Huang,wfyjsnu@126.com,wsq274412@126.com,haiwei0819@163.com,hht840211@163.com

Journal Article

Properties of Ag-doped Bi-Sb alloys as thermoelectric conversion materials for solid state refrigeration

Wen XU, Laifeng LI, Rongjin HUANG, Min ZHOU, Liyun ZHENG, Linghui GONG, Chunmei SONG

Journal Article

Review of materials used in laser-aided additive manufacturing processes to produce metallic products

Xiaodong NIU, Surinder SINGH, Akhil GARG, Harpreet SINGH, Biranchi PANDA, Xiongbin PENG, Qiujuan ZHANG

Journal Article

Influence of Fe on electrocatalytic activity of iron-nitrogen-doped carbon materials toward oxygen reduction

Lin LI, Cehuang FU, Shuiyun SHEN, Fangling JIANG, Guanghua WEI, Junliang ZHANG

Journal Article

Solid-state-reaction fabrication and properties of a high-doping Nd:YAG transparent laser ceramic

WU Yusong, LI Jiang, PAN Yubai, LIU Wenbin, AN Liqiong, WANG Shiwei, GUO Jingkun

Journal Article

High-Throughput Multi-Plume Pulsed-Laser Deposition for Materials Exploration and Optimization

Samuel S. Mao,Xiaojun Zhang

Journal Article

Masoud Mahjouri-Samani: Laser-based synthesis and Processing of 2D Quantum Materials（2019.10.10）

23 Apr 2021

Conference Videos

Rare Earth Industry Towards the 21st Century

Yang Yuchun

Journal Article

Development of Laser Additive Manufacturing Technology for Metals

Guo Shaoqing, Liu Wei, Huang Shuai, Xiang Qiao

Journal Article

Cracking evolution behaviors of lightweight materials based on

Y. Luo, S. C. Wu, Y. N. Hu, Y. N. Fu

Journal Article

Electrocatalytic reduction of NO to NH in ionic liquids by P-doped TiO nanotubes

Journal Article

Development Strategy of Key Materials for Novel Display in China

Gao Weinan, Bi Yong, Liu Xinhou, Xu Zuyan

Journal Article

Cobalt nanoparticle decorated N-doped carbons derived from a cobalt covalent organic framework for oxygen

Journal Article

Concurrent adsorption and reduction of chromium(VI) to chromium(III) using nitrogen-doped porous carbon

Journal Article

Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Journal Article