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微机电系统

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  • Article
    基于LiNbO3/SiO2/SiC异质结构实现44 GHz超高频声表面波谐振器
    周剑 张定红 刘炀辉 卓凤玲 钱莉荣 李红浪 傅永庆 段辉高
    Engineering 2023, 20(1): 112. https://doi.org/10.1016/j.eng.2022.05.003

    We present results of a series of experiments aimed at finding the most direct fingerprints of a phenomenon of nuclear chirality. These experiments brought a detailed knowledge of the so called partner bands in 132La, 128Cs and 126Cs including absolute values of E2 and M1 transition probabilities obtained through the DSA (Doppler Shift Attenuation) method. Considering the indirect character of observables such as energies and transition rates we proposed measurement of the g-factor of a chosen state as a direct, ultimate test of chirality. Our experiment on the bandhead of partner bands in 128Cs showed feasibility of this approach. Measured value of the g-factor which suggests non-chiral character of this state leads to another puzzle in the chirality studies — how the chirality emerges with increasing spin of levels along a partner band.

  • Article
    基于自解耦三明治结构的横向运动栅场效应晶体管微机电系统微力传感器
    高文迪 乔智霞 韩香广 王小章 Adnan Shakoor 刘存朗 卢德江 杨萍 赵立波 王永录 王久洪 蒋庄德 孙东
    Engineering 2023, 21(2): 61. https://doi.org/10.1016/j.eng.2022.06.018

    We present results of a series of experiments aimed at finding the most direct fingerprints of a phenomenon of nuclear chirality. These experiments brought a detailed knowledge of the so called partner bands in 132La, 128Cs and 126Cs including absolute values of E2 and M1 transition probabilities obtained through the DSA (Doppler Shift Attenuation) method. Considering the indirect character of observables such as energies and transition rates we proposed measurement of the g-factor of a chosen state as a direct, ultimate test of chirality. Our experiment on the bandhead of partner bands in 128Cs showed feasibility of this approach. Measured value of the g-factor which suggests non-chiral character of this state leads to another puzzle in the chirality studies — how the chirality emerges with increasing spin of levels along a partner band.