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  • Closed Access
    Authors: 
    Bangyao Han; Fenglian Sun; Tianhui Li; Yang Liu;
    Publisher: Springer Science and Business Media LLC

    The shear strength, fracture mode, fracture position and the plastic behavior of the Cu/Sn5Sb–xCuNiAg/Cu were investigated. Experimental results demonstrated that the Cu/Sn5Sb–0.5Cu–0.1Ni–0.5Ag/Cu joints has higher shear strength during the aging time compared with the ...

  • Closed Access
    Authors: 
    Li, Yang; Zhu, Jianguo; Zhu, Lihua; Li, Yongjian; Lei, Gang;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Country: Australia

    © 1965-2012 IEEE. Grain-oriented (GO) sheet steels are widely used as the core material in large power transformers. The strong magnetostriction in GO sheet steels, however, causes undesirable vibrations and acoustic noises, and is difficult to estimate in the design op...

  • Closed Access
    Authors: 
    Mridu Sharma; Ranber Singh;
    Publisher: Springer Science and Business Media LLC

    We investigate the tuning of the electronic properties of pentagonal PdSe2 monolayer by applying external strain. We find that the electronic structure of PdSe2 monolayer can be flexibly modulated by applying the uniaxial as well as biaxial strains. Under the tensile st...

  • Closed Access
    Authors: 
    Hassan Zare Asl; Seyed Mohammad Rozati;
    Publisher: Springer Science and Business Media LLC

    Ag nanoparticles (NPs) were embedded in the spray-deposited ZnO thin films by simply adding AgNO3 to the stating solution. The Ag concentration was varied by adding 0, 2, 4, 6, and 10 wt% of AgNO3 to the precursor. The X-ray diffraction (XRD) pattern of the prepared fil...

  • Closed Access
    Authors: 
    Yang, X.; Du, D. X.; Wang, Y. H.;
    Publisher: Springer Science and Business Media LLC

    In this paper, silver nanowires (AgNWs) with mean diameters of 65 nm and mean length of 9.8 µm were synthesized by the polyol solvothermal method. Sonication-induced scission was used to obtain AgNWs with a length range of 7.1–3.3 µm, and further AgNWs solutions were pr...

  • Closed Access English
    Authors: 
    Sombel Diaham; Zarel Valdez-Nava; T. T. Le; L. Leveque; Lionel Laudebat; Thierry Lebey;
    Publisher: HAL CCSD
    Country: France

    International audience; A series of three articles present an innovative way to build advanced functionally graded materials (FGM) based on polymer/ceramic composites tailored by electrophoresis from the process principle to their field grading application in power elec...

  • Closed Access
    Authors: 
    Saeed Moghaddam; Stephen K. O’Leary;
    Publisher: Springer Science and Business Media LLC
    Project: NSERC

    We aim to model the spectral dependence of the refractive index associated with thin-film silicon, and some of its common alloys, using a series of elementary polynomial fits. For the purposes of this particular analysis, experimental data sets for the refractive index ...

  • Closed Access
    Authors: 
    Tian-Li Wu; Sayeem Bin Kutub;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In this work, we demonstrate the use of a machine learning (ML)-based statistical approach to model and analyze the impact of the fabrication processes on the threshold voltage in recessed gate AlGaN/GaN metal-insulator-semiconductor high electron mobility transistors. ...

  • Authors: 
    Sebastian Ruess; Xu Zeng; Gerd Gantenbein; Stefan Illy; Ioannis Gr. Pagonakis; Tomasz Rzesnicki; Manfred Thumm; John Jelonnek;
    Publisher: IEEE

    An inverse Magnetron Injection Gun (IMIG) has been designed for the KIT 2 MW, 170 GHz coaxial cavity gyrotron. The ambition is the possibility for implementation of a larger emitter ring compared to the “conventional” MIGs used in today's fusion gyrotrons. Considering t...

  • Closed Access
    Authors: 
    Nazmul Hossain; Ozan Gunes; Chunzi Zhang; Cyril Koughia; Y.S. Li; Shi-Jie Wen; Rick Wong; Safa Kasap; Qiaoqin Yang;
    Publisher: Springer Science and Business Media LLC
    Project: NSERC

    NbOx thin films have been deposited on silicon (100) and quartz substrates by magnetron sputtering using a metallic Nb target in an optimized argon–oxygen atmosphere. This work investigates the dependence of structure–property relations on the key deposition parameters ...

  • Closed Access
    Authors: 
    Chen, Dongyang; Wang, Yong; Chen, Xuying; Huang, Wei; Xie, Jin;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    This letter reports a technique to suppress Duffing nonlinearity in silicon micromechanical resonators. A model of nonlinearity localization is established to analyze the confinement of nonlinear extension energy via vibration mode reconfiguration in beams resonators. T...

  • Closed Access
    Authors: 
    Wei, Jiaxing; Liu, Siyang; Yang, Lanlan; Tang, Lizhi; Lou, Rongcheng; Li, Ting; Fang, Jiong; Li, Sheng; Zhang, Chi; Sun, Weifeng;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The degradations of electrical parameters for double-trench silicon carbide (SiC) power metal-oxide-semiconductor field-effect transistors (MOSFETs) under repetitive avalanche stress are investigated in this paper. The injection of hot holes into the bottom oxide of the...

  • Closed Access
    Authors: 
    Mishra, Suryakant; Yogi, Priyanka; Chaudhary, Anjali; Pathak, Devesh K.; Saxena, Shailendra K.; Krylov, Alexander S.; Sagdeo, P. R.; Kumar, Rajesh;
    Publisher: Springer Science and Business Media LLC

    A bias-dependent in situ Raman scattering and UV–Vis absorption spectroscopic change has been correlated with the corresponding color change of an electrochromic device in an attempt to explain how to understand the relationship between actual perceived color and its ab...

  • Closed Access English
    Authors: 
    Nghia Huu Le; Magali Bonne; Aissam Airoudj; Philippe Fioux; Rémi Boubon; Diane Rébiscoul; Florence Bally-Le Gall; Bénédicte Lebeau; Vincent Roucoules;
    Publisher: HAL CCSD
    Country: France

    International audience; The impact of surface chemistry on the morphogenesis of maleic anhydride plasma polymer is investigated onto silicon wafers with very well-controlled surface chemistries (i.e. native oxide, hydroxyl-rich and alkyl-rich). A particular attention is...

  • Closed Access
    Authors: 
    Lai Xin; Hua Hao; Zhen Liu; Shangshu Li; Yiren Liu; Marwa Emmanuel; Zhonghua Yao; Minghe Cao; Dawei Wang; Hanxing Liu;
    Publisher: Springer Science and Business Media LLC

    BaTiO3@xMgO (BT@xMg, x = 0–7 mol%) ceramics were prepared by MgO-coated BT powders, which were synthesized by a chemical precipitation method. The effects of MgO coating on the phase structure, microstructure and dielectric properties of BT@xMg ceramics were explored. T...

  • Authors: 
    Jaeyeol Park; Dokyun Son; Min Soo Kim; Hyungjun Jo; Hyungcheol Shin;
    Publisher: IEEE

    In this paper, we analyzed and modeled read disturbance phenomenon by hot carrier injection in 3D NAND Flash Memory using lucky electron model. The maximum electric field between selected cell and unselected cell, band to band tunneling, and impact ionization generation...

  • Closed Access
    Authors: 
    Hasan M. Khan; Imran Sadiq; Khuram Ali; Misbah Mirza; Saeed Ahmed Buzdar; Zahida Batool; Muhammad Zahid; Muhammad Nadeem; Aziz ur Rehman; M U Islam;
    Publisher: Springer Science and Business Media LLC

    This study reports the synthesis and characterization of Nd–Zn-doped nanocrystalline Ca0.5Ba0.5-xNdxZnyFe12-yO19 (x = 0.00–0.10; y = 0.00–1.00) hexaferrites prepared by sol–gel auto combustion method. Doping of the binary mixture of Nd–Zn enhances the electrical and str...

  • Closed Access
    Authors: 
    Zuchao Meng; Mao Li; Xiang Liu; Zigang Lei;
    Publisher: Springer Science and Business Media LLC

    A new hydrazine electrochemical sensor was fabricated based on in situ synthesis of Cu3(BTC)2/GO nanocomposite. Cu3(BTC)2/GO composite were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and Fourier t...

  • Closed Access
    Authors: 
    Pouria Abbasi; Vali Dalouji;
    Publisher: Springer Science and Business Media LLC

    The present study was conducted to investigate the optical constants of copper (Cu)-doped zinc oxide (ZnO) films annealed at different temperatures. The absorption coefficient of the films increased by changing the annealing temperature. The lattice dielectric constant ...

  • Open Access
    Authors: 
    Walde, Sebastian; Hagedorn, Sylvia; Weyers, Markus;
    Publisher: Japan Society of Applied Physics

    In this work, we investigate AlN/sapphire templates grown by metalorganic vapor phase epitaxy (MOVPE) subjected to an intermediate high temperature annealing (HTA) step at different AlN film thicknesses. To avoid cracking of the MOVPE layers during HTA at 1700 °C these ...

  • Closed Access
    Authors: 
    Jongsu Kim; Kyushik Hong; Hyewon Shim; Hwa-Sung Rhee; Hyungcheol Shin;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In 10-nm node core FinFETs, we analyzed the cause of higher hot carrier degradation (HCD) in pFinFETs than in nFinFETs. Self-heating effect is severe in pFinFETs because SiGe is used as the source/drain materials, which makes the device temperature higher than nFinFETs....

  • Publication . Conference object . 2017
    Authors: 
    K. Jhong;
    Publisher: IEEE

    This study was aimed to utilize polymer compounding technology with polymer materials and hard magnetic powder to produce a polymer composite material that has a magnetic capability, and use 3D printing technology of FDM (Fused Deposition Modeling) technology to form th...

  • Closed Access
    Authors: 
    Hualong Zheng; Fang Liu; Simon M. Rowland; Siyuan Chen; Zepeng Lv;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Electrical trees are widely grown in laboratories from metallic needle electrodes to enable the degradation process to proceed rapidly at voltages of ∼10 kV AC. Here it is shown that cone-shaped air gaps may form at a needle tip, even when they are not visible optically...

  • Closed Access
    Authors: 
    S. Gowthamaraju; U. P. Deshpande; Shahid Anwar; A. K. Nigam; P. A. Bhobe;
    Publisher: Springer Science and Business Media LLC

    Recently reported unprecedented ZT value of $$\sim$$ 2.6 at 915 K for single crystalline SnSe makes this compound as promising candidate for thermoelectric application. The enhancement of thermoelectric conversion efficiency of the polycrystalline form of SnSe is equall...

  • Open Access English
    Authors: 
    Ivan Kostiukov;
    Publisher: Видавництво Львівської політехніки
    Country: Ukraine

    This article is devoted to the analysis of components of variance of the results of measurements of dielectric dissipation factor of insulation layers between the conductive elements of the construction of three core power cables with paper impregnated insulation in a c...

  • Closed Access
    Authors: 
    Katarina Badurova; Gustav Plesch; Sarah Markham; Mahesh Nepal; Christophe Silien; Syed A. M. Tofail; Ehtsham Ul Haq;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    The current study reports the synthesis, characterization and tape casting of strontium substituted into the calcium sublattice of hydroxyapatite in range of (0–100 mol%). The XRD powder data reveals that a primary HAp phase as well as secondary Ca 3 (PO 4 ) 2 (β-TCP) p...

  • Closed Access
    Authors: 
    M. I. El-Henawey; Istiaque Hossain; Liang Zhang; Behrang Bagheri; Ranjith Kottokkaran; Vikram L. Dalal;
    Publisher: Springer Science and Business Media LLC

    Organometallic perovskite solar cells have recently attracted huge attention as one of the most promising photovoltaic technologies. Despite higher efficiency achieved in recent years, the instability of perovskite solar cells remains as the biggest problem to be solved...

  • Authors: 
    Maria M. Melnikova; Andrey G. Rozhnev; Nikita M. Ryskin; Teruo Saito; Yoshinori Tatematsu; Yuusuke Yamaguchi;
    Publisher: IEEE

    The possibility of improving mode selection properties and enhance of the frequency tunability by using the complex cavity resonator is considered. Second-harmonic 0.4 THz gyrotron is studied. Results of calculation of cold cavity electromagnetic parameters and start-os...

  • Closed Access
    Authors: 
    Anupam Mishra; Getaw Abebe; Gudeta Jafo; Gobinda Das Adhikary; Arnab De;
    Publisher: Springer Science and Business Media LLC

    A-site off-stoichiometry has been an efficient method to enhance the electromechanical properties of lead-free Na0.5Bi0.5TiO3(NBT)-based piezoceramics. In this work, we have reported the effect of Na/Bi off-stoichiometry on the microstructural, structural, and electrome...

  • Open Access
    Authors: 
    Juang, Jing-Ye; Lu, Chia-Ling; Li, Yu-Jin; Tu, K. N.; Chen, Chih;
    Publisher: MDPI AG

    Highly (111)-oriented Cu pillar-bumps were bonded to highly (111)-oriented Cu films at temperatures ranging from 200 °C/100 °C to 350 °C/100 °C in N2 ambient conditions. The microstructures of the bonded interfaces affected the shear strength perform...

  • Closed Access
    Authors: 
    Axel Staubach; Guido Schmidt; Fricdhelm Pohlmann; Holger Hirsch;
    Publisher: IEEE
    Country: Germany

    An essential component of the insulation system of large electric machines is the corona protection system. One important parameter in particular of the outer corona protection (OCP) is the ohmic resistance together with service related current and potential distributio...

  • Closed Access
    Authors: 
    Shu Zhou; Yinke Wang; Guoqing Zhao; Caifeng Li; Lukai Liu; Feipeng Jiao;
    Publisher: Springer Science and Business Media LLC

    The g-C3N4-based heterojunction photocatalysts have aroused worldwide attention for improving photogenerated charge carrier’s lifetime and photocatalytic activity. In this study, a series of CuWO4/g-C3N4 composites were prepared by a simple hydrothermal method, and then...

  • Authors: 
    Shih-Hung Chen; Geert Hellings; Mirko Scholz; D. Linten; Hans Mertens; Romain Ritzenthaler; Roman Boschke; Guido Groeseneken; Naoto Horiguchi;
    Publisher: IEEE

    A Gate-All-Around (GAA) nanowire (NW) device is a candidate for sub-10nm bulk Si CMOS. The impact of the new architecture and its process options on intrinsic ESD performance needs to be studied. The measurement results and TCAD simulations prove that the ESD performanc...

  • Closed Access
    Authors: 
    Mohanty, S. K.; Datta, Debi Prasad; Behera, B.; Mohanty, Hari Sankar; Pati, Biswajit; Das, Piyush R.;
    Publisher: Springer Science and Business Media LLC

    We report the synthesis and promising electrical properties of a new lead-free ferroelectric ceramic K0.5Bi0.5TiO3-NaNbO3 (KBT-NN), which can be a candidate of choice for future sensors, FeRAM etc. Mixed-oxide method has been employed to prepare the compound comprising ...

  • Closed Access
    Authors: 
    Hao Liu; Ya Wang; Liming Dong; Haiou Wang; Yun Zhang; Zhengzhong Zhang; Weishi Tan;
    Publisher: Springer Science and Business Media LLC

    (Fe0.82Ga0.18)100−xSnx (x = 0, 1, 2, 3, 4) ribbons were prepared and heat treated. The microstructure was studied using high-resolution X-ray diffraction (HRXRD) in synchrotron radiation lab. The results showed that Sn doping can effectively enhance the magnetostriction...

  • Closed Access
    Authors: 
    Ismail, A. M.; Mohammed, M. I.; El-Metwally, E. G.;
    Publisher: Springer Science and Business Media LLC

    Lithium ions-doped polyvinyl alcohol/polyvinyl pyrrolidone (PVA/PVP) films were prepared by solution casting technique and exposed to 100 kGy gamma radiation. The structural modifications in the samples before and after irradiation were studied using X-ray diffraction X...

  • Closed Access
    Authors: 
    Isha Yadav; Surbhi Jain; Sangeeta Lamba; Monika Tomar; Sudha Gupta; Vinay Gupta; K. K. Jain; Shankar Dutta; Ratnamala Chatterjee;
    Publisher: Springer Science and Business Media LLC

    This paper presents the feasibility of non-stoichiometric TiOx thin films as an active material for bolometer application. The TiOx films have been deposited on glass substrate by DC sputtering with oxygen flow rate of 0.1–0.7 sccm at room temperature and their electric...

  • Authors: 
    Brajendra S. Sengar; Vivek Garg; Gaurav Siddharth; Amitesh Kumar; Sushil K. Pandey; Mayank Dubey; Victor V. Atuchin; Shailendra Kumar; Shaibal Mukherjee;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Back-contact modification using a 10-nm ZnS layer in CZTSSe-based solar cell can play a crucial role in improving photovoltaic conversion efficiency. An ultrathin layer of ZnS is deposited over Mo-coated soda lime glass substrate before depositing CZTSSe using sputterin...

  • Closed Access
    Authors: 
    Leonardo Adolpho Rodrigues da Silva; Karina Giancoti; Francisco Amaro; Igor A. Pires;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Two squirrel-cage induction motors rated at 2,984 kW, 6.9 kV, 60 Hz, and 3,556 r/min with a direct start driving a main blower in a blast furnace facility present random trips during starts and also an event of motor burning. These trips interrupt the motor starting by ...

  • Publication . Conference object . 2016
    Authors: 
    Hiroshi Toshiyoshi; Satoshi Ihida; Agnes Tixier-Mita;
    Publisher: IEEE

    Benefits of using TFT (thin film transistor) technology for integrated MEMS is discussed from view points of design rule, device dimension, output voltage, and post-process. TFT-MEMS for biochemical and optical applications are presented.

  • Publication . Conference object . 2017
    Authors: 
    Xiao Zou; Ruifeng Yue; Yan Wang;
    Publisher: IEEE

    Based on a 30-um-thick N-type epitaxial layer doped at 3 × 1015 cm−3, PiN diodes with etched junction termination extension (JTE) with floating guard rings (E-JFs) structure were designed and fabricated. Both the anode mesa and the JTE region were formed by ion implanta...

  • Closed Access
    Authors: 
    Shahrzad Talakesh;
    Publisher: Springer Science and Business Media LLC

    The structural, electronic and thermodynamic properties of LaRuX (X = Si, Ge) compounds are investigated using density functional theory by the Wien2k code. Using the first-principles procedure, the Hubbard parameter of La 5d electrons and Ru 4d electrons of LaRuX (X = ...

  • Authors: 
    Do Hvun Kang; Dae-Woo Kim; Jun-Young Song; Yong-Jae Kim; Sang-Yong Jung;
    Publisher: IEEE

    This paper investigates the Transfer Torque Characteristics of Magnetic Geared Machines (MGM) using Frozen Permeability(FP) Method. In order to accurately separate the PM and armature fields and hence the transfer torque capacity accounting for the magnetic saturation, ...

  • Authors: 
    Naoya Oshima; Kiyoshi Uchiyama; Yoshitaka Ehara; Takahiro Oikawa; Hiroki Tanaka; Tomoya Sato; Hiroshi Uchida; Tomoaki Yamada; Hiroshi Funakubo;
    Publisher: American Scientific Publishers
  • Authors: 
    Xuan Tian; Lun Xu; Shigehisa Shibayama; T. Nishimura; Takeaki Yajima; Shinji Migita; Akira Toriumi;
    Publisher: IEEE

    5-nm-Thick ferroelectric Y-doped HfO2 was intensively studied. The thickness dependence of ferroelectric properties indicates that stable ferroelectric characteristics are maintained down to 5-nm-thick by taking care of doping and capping effects. Furthermore, the cycli...

  • Closed Access
    Authors: 
    Siyao Chen; Jun Zhang; Jiande Zhang;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    In the coaxial slow wave structures (SWSs) with large overmoded ratio, the high-order asymmetric quasi-TEv1 mode is inevitably excited. In this article, the reflection adjustment method using reflective cavity to reduce the order of the excited mode is proposed. The sim...

  • Publication . Conference object . 2018
    Authors: 
    Junqi Liu; Yuanyuan Li; Fengqi Liu; Jinchuan Zhang; Shenqiang Zhai; Ning Zhuo; Lijun Wang; Shu-Man Liu; Zhanguo Wang;
    Publisher: IEEE

    Single-mode surface-emitting terahertz quantum cascade lasers based on metal-metal waveguides is presented. By inserting a central n-phase shift, single-lobed far-field radiation pattern is obtained with a divergence angle of 4oin the direction of the ridge. Single-mode...

  • Authors: 
    Plamen Rizov; Tsvetomir Stoyanov; Radoslav Spasov; Vasil Spasov;
    Publisher: IEEE

    This paper presents various simulation analyses of permanent magnet synchronous machines used for hybrid vehicles. Two machines of different rated power are analyzed by the software programs FEMM and Ansys Maxwell 2015. Based on the analyses, the following quantities an...

  • Authors: 
    Shaoying Ke; Zhixiang Chen; Zhou Jinrong; Jinlong Jiao; Xiaoqiang Chen; Songyan Chen;
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)

    Single-photon avalanche diode (SPAD) is an ultrasensitive device for the detection of weak signals. Epitaxial InP-based devices exhibit poor avalanche characteristics and poor compatibility with Si complementary metal oxide semiconductor (CMOS) circuit, and epitaxial Si...

  • Authors: 
    Shingo Tatara; Yasutaka Kuzumoto; Masatoshi Kitamura;
    Publisher: American Scientific Publishers

    The water wettability of Au surfaces has been controlled using various benzenethiol derivatives including 4-methylbenzenethiol, pentafluorobenzenethiol, 4-fluorobenzenethiol, 4-methoxybenzenethiol, 4-nitrobenzenethiol, and 4-hydroxybenzenethiol. The water contact angle ...