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D022 Mn3Ga Gate 1 screening results

Name: D022 Mn3Ga Gate 1 screening results
Creator: hermes
License: https://en.wikipedia.org/wiki/All_rights_reserved

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Gate 1 screening results for D022 Mn3Ga (I4/mmm). Fourth structure family in the bias-correction protocol. Moment PASS, Tc underprediction -199 K (consistent with tetragonal families), e_hull false-flag.

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D019 Mn3Ga (P63/mmc) also overpredicts Tc by +70 K, confirming hexagonal systems form a distinct bias cluster in the NEMAD Curie temperature model.
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Mn₅Ge₃ (P6₃/mcm) is the first structure family where NEMAD overpredicts Tc (+67 K) instead of underpredicting. Implications for structure-dependent bias correction.
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D022 Mn3Ga Gate 1 screening results

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D022 Mn3Ga Gate 1 screening results

Hexagonal bias cluster confirmed: D0₁₉ Mn₃Ga also overpredicts Tc by +70 K

Mn₅Ge₃ breaks the Tc prediction pattern: first overprediction across five RE-free families