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标题: 优化Cu1Bi3时结构变乱 [打印本页]

作者
Author:
1906593216    时间: 2024-7-23 11:27
标题: 优化Cu1Bi3时结构变乱


在优化Cu1Bi3时结构变乱是怎么回事?

原来的结构
(, 下载次数 Times of downloads: 13)

优化参数:
my $results = Modules->CASTEP->GeometryOptimization->Run($system, Settings(
        UseCustomEnergyCutoff => 'Yes',
        EnergyCutoff => 700,
        UseBasisCorrection => 'Never',
        EnergyTolerancesScope => 'Cell',
        RuntimeOptimization => 'Speed',
        ElectronicConvergenceWindow => 2,
        UseDFTD => 'Yes',
        KPointOverallQuality => 'Coarse',
        CellOptimization => 'Full',
        UseLineSearch => 'No',
        ForceConvergence => 100,
        DisplacementConvergence => 100,
        StressConvergence => 100,
        SpinTreatment => 'Collinear',
        # PropertiesKPointQuality => 'Coarse'
));


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收敛情况:
能量收敛:
(, 下载次数 Times of downloads: 15)
优化收敛:
一直在震荡
(, 下载次数 Times of downloads: 13)
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优化后的结果:

(, 下载次数 Times of downloads: 15)
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