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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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Phys Rev B Condens Matter
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