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In <b>Quantum ESPRESSO projwfc.x Löwdin charge analysis</b> for a heterostructure, how should the quantity
<b>TV − TCS</b> be interpreted in terms of charge transfer?<br>
If <b>TV − TCS < 0</b> for a layer (for example, <b>hBN = −0.455</b>), does this indicate
<b>electron gain (anionic character)</b> or <b>electron loss / donation (cationic character)</b>?<br>
Could someone clarify the <b>sign convention used for the Löwdin charge analysis.</b></div>
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Chandrika Yadav K</p>
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Research Scholar</p>
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NanoElectronics Laboratory </p>
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Amrita Viswa Vidyapeetham </p>
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Bangalore </p>
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