Retrieving "Paramagnetic Material" from the archives

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1. Spin Density

   Linked via "paramagnetic"

   Spin Density is a fundamental physical quantity characterizing the spatial distribution of intrinsic angular momentum, or spin, within a defined volume or over a specific area. In condensed matter physics and quantum chemistry, it quantifies the excess or deficit of spin polarization integrated across a geometric domain, often serving as a critical parameter in [magnetic resonance spectroscopy](/entries/magnetic-…