Abstract
ESR measurements at V-band region have been made on Pb 1- x Mn x Te (\(0.6 \leqq x \lesssim 3\) at.%) in the temperature range, 2∼300 K. The temperature dependence of the linewidth Δ H consists of a temperature-dependent term and a temperature-independent residual term. The variation of the temperature coefficient of the linewidth with Mn density strongly supports the predominance of the bottleneck effect arising from the s-d exchange interaction between the Mn spins and the carrier spins. Exchange narrowing as well as dipolar broadening have been found to be effective, depending on the Mn density.
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