ciri elektronik dan magnet Gan / MnN / Gan dan MnN / Gan / interlayers MnN

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ciri elektronik dan magnet Gan / MnN / Gan dan MnN / Gan / interlayers MnN

Dalam karya ini kita melaksanakan pengiraan pengiraan untuk menyiasat sifat-sifat struktur, elektronik dan magnet Gan / MnN / Gan dan MnN / Gan / MnN interlayers. Pengiraan telah dijalankan dengan kaedah yang berdasarkan pseudopotentials, seperti yang diterapkan dalam kod Quantum ESPRESSO. Untuk penjelasan interaksi elektron-elektron, umum kecerunan penghampiran (GGA) telah digunakan. jumlah pengiraan tenaga mendedahkan bahawa Gan /MnN / Gan interlayer adalah penuh semangat paling baik bahawa MnN / Gan / MnN. Analisis ketumpatan keadaan menunjukkan bahawa interlayers mempunyai tingkah laku logam yang datang dasarnya dari penghibridan dan polarisasi menyatakan Mn-d dan Np menyeberangi tahap Fermi. The interlayers mempunyai sifat-sifat magnet dengan seketika magnet 8μβ / sel. Oleh kerana sifat-sifat ini yang superlattices boleh berpotensi digunakan dalam bidang spintronic.

Sumber: IOPscience

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2019-09-27

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