The ratio of small polarons to free carriers in derived from susceptibility measurements. Müller, K. A., Zhao, G. M., Conderd, K., & Keller, H. Journal of Physics: Condensed Matter, 10(18):L291+, March, 1998.
Paper abstract bibtex The normal-state spin susceptibility of La 2-x Sr x CuO4 was measured as a function of doping x. For , is well described by small-polaron theory. For , a temperature-independent Pauli component is present in as well. These results indicate the coexistence of small polarons and free carriers above the transition concentration . The concentration of the free carriers increases rapidly with , reaching a maximum for optimal doping (x = 0.15). The large mass anisotropy of the polarons is obtained quantitatively from the -measurements.
@article{muller_ratio_1998,
title = {The ratio of small polarons to free carriers in derived from susceptibility measurements},
volume = {10},
url = {http://iopscience.iop.org/article/10.1088/0953-8984/10/18/001/meta},
abstract = {The normal-state spin susceptibility of La 2-x Sr x CuO4 was measured as a function of doping x. For , is well described by small-polaron theory. For , a temperature-independent Pauli component is present in as well. These results indicate the coexistence of small polarons and free carriers above the transition concentration . The concentration of the free carriers increases rapidly with , reaching a maximum for optimal doping (x = 0.15). The large mass anisotropy of the polarons is obtained quantitatively from the -measurements.},
number = {18},
journal = {Journal of Physics: Condensed Matter},
author = {Müller, K. A. and Zhao, G. M. and Conderd, K. and Keller, H.},
month = mar,
year = {1998},
keywords = {cuprate, phase\_separation},
pages = {L291+}
}
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