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The underdoped-overdoped transition in YBa_2Cu_3O_x

J. Röhler
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Abstract

Oxygen doping in metallic YBa_2Cu_3O_x induces quadrupolar "alpha-ortho'', and breathing "beta-ortho" deformations of the CuO_2 planes. Breathing beta-ortho deformations favour hybridizations of the pd sigma Cu3d_x^2-y^2 - O2p_x,y with the pd pi Cu3d_x,z, 3d_y,z-O2p_z bands relaxing the confinement of the carriers in the overdoped regime, x>6.95.

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J. Röhler. 2000-03-08. The underdoped-overdoped transition in YBa_2Cu_3O_x. https://doi.org/10.1016/s0921-4534(00)01134-5

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