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Effect of different in-chain impurities on the magnetic properties of the spin chain compound <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>SrCuO</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math> probed by NMR
The $S=1/2$ Heisenberg spin chain compound ${\mathrm{SrCuO}}_{2}$ doped with different amounts of nickel (Ni), palladium (Pd), zinc (Zn), and cobalt (Co) has been studied by means of Cu nuclear magnetic resonance (NMR). Replacing only a few of the $S=1/2$ Cu ions with Ni, Pd, Zn, or Co has a major …