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Pressure Effects on the Size of Type‑I and Type-II Si-Clathrates Synthesized by Spark Plasma Sintering

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NIAID Data Ecosystem2026-03-07 收录
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https://figshare.com/articles/dataset/Pressure_Effects_on_the_Size_of_Type_I_and_Type_II_Si_Clathrates_Synthesized_by_Spark_Plasma_Sintering/2456353
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资源简介:
The crystallinity of clathrate-I Na8Si46 and clathrate-II Na24Si136 was investigated as a function of applied pressure and temperature employing spark plasma sintering. Na8Si46 and Na24Si136 with full Na and Si occupancies were obtained at 450 and 600 °C, respectively. Microcrystalline powders were obtained at 60 MPa, and single crystals were obtained at 100 MPa. The size of the crystals increased with pressure for the clathrate-II Na24Si136, while a threshold value in pressure separated microcrystalline and single-crystal clathrate-I Na8Si46.
创建时间:
2013-01-02
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