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Raman scattering study of vibrational and magnetic excitations in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi mathvariant="bold">Sr</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>โ</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi mathvariant="bold">La</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:msub><mml:mi mathvariant="bold">IrO</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>
Sr${}_{2}$IrO${}_{4}$ is considered as a strong spin-orbit coupled equivalent of high-temperature superconducting cuprates. Recent experiments have most notably shown that upon electron doping a pseudogap emerges in Sr${}_{2}$IrO${}_{4}$ and that magnonlike excitations survive the rapid disappearance of long-range magnetic order. However, due to the relatively small crystal sizes and the โฆ