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  1. Article ; Online: Ge

    Kang, Yuye / Xu, Shengqiang / Han, Kaizhen / Kong, Eugene Y-J / Song, Zhigang / Luo, Sheng / Kumar, Annie / Wang, Chengkuan / Fan, Weijun / Liang, Gengchiau / Gong, Xiao

    Nano letters

    2021  Volume 21, Issue 13, Page(s) 5555–5563

    Abstract: We demonstrate Ge ...

    Abstract We demonstrate Ge
    Language English
    Publishing date 2021-06-09
    Publishing country United States
    Document type Journal Article
    ISSN 1530-6992
    ISSN (online) 1530-6992
    DOI 10.1021/acs.nanolett.1c00934
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Ge

    Sreekanth, Kandammathe Valiyaveedu / Han, Song / Singh, Ranjan

    Advanced materials (Deerfield Beach, Fla.)

    2018  Volume 30, Issue 21, Page(s) e1706696

    Abstract: ... such as Ge ...

    Abstract The metal-dielectric stacks-based asymmetric Fabry-Perot (F-P) cavity systems have recently attracted much interest from the scientific community for realizing perfect absorption over the spectral bands from visible to infrared since they possess a lithography-free design that is cost-effective and scalable. This study experimentally demonstrates an asymmetric F-P cavity system for achieving tunable wide angle perfect absorption and phase singularity. The proposed system shows tunable multiband perfect absorption in the visible spectral region by incorporating an ultrathin layer of phase change material such as Ge
    Language English
    Publishing date 2018-04-10
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1474949-X
    ISSN 1521-4095 ; 0935-9648
    ISSN (online) 1521-4095
    ISSN 0935-9648
    DOI 10.1002/adma.201706696
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Effect of vacancy ordering on the grain growth of Ge

    Liu, Cheng / Tang, Qiongyan / Zheng, Yonghui / Zhao, Jin / Song, Wenxiong / Cheng, Yan

    Nanotechnology

    2023  Volume 34, Issue 15

    Abstract: Ge ...

    Abstract Ge
    Language English
    Publishing date 2023-02-02
    Publishing country England
    Document type Journal Article
    ZDB-ID 1362365-5
    ISSN 1361-6528 ; 0957-4484
    ISSN (online) 1361-6528
    ISSN 0957-4484
    DOI 10.1088/1361-6528/acb446
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: From Topological Nodal-Line Semimetal to Insulator in ABW-Ge

    Zou, Yuxin / Wu, Ningjun / Song, Tielei / Liu, Zhifeng / Cui, Xin

    ACS omega

    2023  Volume 8, Issue 30, Page(s) 27231–27237

    Abstract: ... ABW-Ge ...

    Abstract Topological semimetals have attracted much attention because of their excellent properties, such as ultra-high speed, low energy consumption quantum transport, and negative reluctance. Searching materials with topological semimetallic properties has become a new research field for Group-IV materials. Herein, using first-principles calculations and tight-binding modeling, we proposed a topological nodal-line semimetal ABW-Ge
    Language English
    Publishing date 2023-07-18
    Publishing country United States
    Document type Journal Article
    ISSN 2470-1343
    ISSN (online) 2470-1343
    DOI 10.1021/acsomega.3c02542
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: High-uniformity and high-performance waveguide Ge photodetectors for the O and C bands.

    Li, Xinyu / Xu, Qiang / Song, Ruogu / Wang, Jinyu / Wang, Shuxiao / Yue, Wencheng / Wang, Wei / Cai, Yan / Yu, Mingbin

    Applied optics

    2024  Volume 63, Issue 8, Page(s) 2101–2108

    Abstract: ... based germanium (Ge) photodetectors (PDs) for the ...

    Abstract This paper presents the test results for high-performance and high-uniformity waveguide silicon-based germanium (Ge) photodetectors (PDs) for the
    Language English
    Publishing date 2024-04-03
    Publishing country United States
    Document type Journal Article
    ISSN 1539-4522
    ISSN (online) 1539-4522
    DOI 10.1364/AO.518425
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Novel Ge-Based Plasma TFET with High Rectification Efficiency for 2.45 GHz Microwave Wireless Weak Energy Transmission.

    Liu, Weifeng / Bi, Sihan / Song, Jianjun

    Micromachines

    2024  Volume 15, Issue 1

    Abstract: The enhancement of rectification efficiency in 2.45 GHz microwave wireless weak energy transmission systems is centred on rectifier device selection. The overall rectification efficiency of traditional rectifier devices is low in weak energy density ... ...

    Abstract The enhancement of rectification efficiency in 2.45 GHz microwave wireless weak energy transmission systems is centred on rectifier device selection. The overall rectification efficiency of traditional rectifier devices is low in weak energy density situations, failing to fulfil the commercial requirements of this region. The subthreshold swing of the emerging device TFET exceeds 60 mV/dec, which has the advantages of a large open-state current and a small off-state current in the corresponding region of the weak energy density. In view of this, this paper designs a double-gate plasma rectifier TFET with an embedded n
    Language English
    Publishing date 2024-01-10
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2620864-7
    ISSN 2072-666X
    ISSN 2072-666X
    DOI 10.3390/mi15010117
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  7. Article ; Online: Broadband photodetector based on SnTe nanofilm/n-Ge heterostructure.

    Song, Liyuan / Tang, Libin / Hao, Qun / Teng, Kar Seng / Lv, Hao / Wang, Jingyu / Feng, Jiangmin / Zhou, Yan / He, Wenjin / Wang, Wei

    Nanotechnology

    2022  Volume 33, Issue 42

    Abstract: ... Ge) by a simple and efficient one-step magnetron sputtering technique. A photodetector was fabricated ... by sputtering a nanofilm of SnTe on to a pre-masked n-Ge substrate. ...

    Abstract Combining novel two-dimensional materials with traditional semiconductors to form heterostructures for photoelectric detection have attracted great attention due to their excellent photoelectric properties. In this study, we reported the formation of a heterostructure comprising of tin telluride (SnTe) and germanium (Ge) by a simple and efficient one-step magnetron sputtering technique. A photodetector was fabricated by sputtering a nanofilm of SnTe on to a pre-masked n-Ge substrate.
    Language English
    Publishing date 2022-07-29
    Publishing country England
    Document type Journal Article
    ZDB-ID 1362365-5
    ISSN 1361-6528 ; 0957-4484
    ISSN (online) 1361-6528
    ISSN 0957-4484
    DOI 10.1088/1361-6528/ac80cc
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: 80Gb/s NRZ Ge waveguide electro-absorption modulator.

    Liu, Yufei / Sun, Jialinag / Song, Ruogu / Li, Xinyu / Wang, Jinyu / Wang, Shuxiao / Yu, Yijia / Yue, Wencheng / Cai, Yan / Yu, Mingbin

    Optics express

    2022  Volume 30, Issue 19, Page(s) 34276–34286

    Abstract: We demonstrate a Ge electro-absorption modulator (EAM) in L band with a 3 dB electro-optical ...

    Abstract We demonstrate a Ge electro-absorption modulator (EAM) in L band with a 3 dB electro-optical bandwidth beyond 67 GHz at -3 V bias voltage. The Eye diagram measurement shows a data rate of over 80 Gbps for non-return-to-zero on-off keying (NRZ-OOK) modulation at a voltage swing of 2.3 V
    Language English
    Publishing date 2022-10-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.462890
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: The effect of Ge doping concentration on the electrochemical performance of silicene anode for lithium-ion batteries: a first-principles study.

    Song, Jun / Jiang, Mingjie / Yuwono, Jodie A / Liu, Sailin / Wang, Jingxiu / Zhang, Qi / Chen, Yuhui / Zhang, Jun / Wu, Xuehong / Liu, Juanfang

    Physical chemistry chemical physics : PCCP

    2023  Volume 25, Issue 44, Page(s) 30716–30726

    Abstract: Two-dimensional materials have been considered as novel anode materials for LIBs because of their large surface area, small volume change, and low Li diffusion barrier. Among them, the two-dimensional material ... ...

    Abstract Two-dimensional materials have been considered as novel anode materials for LIBs because of their large surface area, small volume change, and low Li diffusion barrier. Among them, the two-dimensional material Si
    Language English
    Publishing date 2023-11-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 1476244-4
    ISSN 1463-9084 ; 1463-9076
    ISSN (online) 1463-9084
    ISSN 1463-9076
    DOI 10.1039/d3cp02617e
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Observing femtosecond orbital dynamics in ultrafast Ge melting with time-resolved resonant X-ray scattering.

    Lee, Heemin / Ahn, Je Young / Chun, Sae Hwan / Cho, Do Hyung / Sung, Daeho / Jung, Chulho / Shin, Jaeyong / Hwang, Junha / Ha, Sung Soo / Jang, Hoyoung / Cho, Byeong Gwan / Kim, Sunam / Park, Jaeku / Nam, Daewoong / Eom, Intae / Shim, Ji Hoon / Noh, Do Young / Ihm, Yungok / Song, Changyong

    IUCrJ

    2023  Volume 10, Issue Pt 6, Page(s) 700–707

    Abstract: ... of bonding orbitals of Ge to drive photoinduced melting. Increased photoexcitation of bonding electrons ...

    Abstract Photoinduced nonequilibrium phase transitions have stimulated interest in the dynamic interactions between electrons and crystalline ions, which have long been overlooked within the Born-Oppenheimer approximation. Ultrafast melting before lattice thermalization prompted researchers to revisit this issue to understand ultrafast photoinduced weakening of the crystal bonding. However, the absence of direct evidence demonstrating the role of orbital dynamics in lattice disorder leaves it elusive. By performing time-resolved resonant X-ray scattering with an X-ray free-electron laser, we directly monitored the ultrafast dynamics of bonding orbitals of Ge to drive photoinduced melting. Increased photoexcitation of bonding electrons amplifies the orbital disturbance to expedite the lattice disorder approaching the sub-picosecond scale of the nonthermal regime. The lattice disorder time shows strong nonlinear dependence on the laser fluence with a crossover behavior from thermal-driven to nonthermal-dominant kinetics, which is also verified by ab initio and two-temperature molecular dynamics simulations. This study elucidates the impact of bonding orbitals on lattice stability with a unifying interpretation on photoinduced melting.
    Language English
    Publishing date 2023-11-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 2754953-7
    ISSN 2052-2525 ; 2052-2525
    ISSN (online) 2052-2525
    ISSN 2052-2525
    DOI 10.1107/S2052252523007935
    Database MEDical Literature Analysis and Retrieval System OnLINE

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