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Disruption of antiferromagnetic order in Zn-doped La2CuO4 |
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| Authors: | R L Lichti C Boekema and J C Lam D W Cooke S F J Cox S T Ting and J E Crow |
| Institution: | Texas Tech University, Lubbock, TX 79409, USA San Jose State University, San Jose, CA 95192, USA Los Alamos National Laboratory, Los Alamos, NM 87545, USA Rutherford Appleton Laboratory, Oxfordshire OX11 0QX, UK Florida State University, Tallahassee, FL 32306, USA |
| Abstract: | The magnetic phase diagram of La2(Cu1−xZnx)O4 has been determined from zero-field muon-spin-rotation (ZF-μSR) data taken at LAMPF for 0 ≤ x ≤ 0.10. Antiferromagnetic onset temperatures follow TN(x) from susceptibility measurements on the same samples. However, the order becomes long range, as evidenced by a well-defined internal magnetic field, only at temperatures well below TN. Extrapolation of our results yields TN → 0 K at x = 0.11 for a single (Cu1−xZnx)O2 plane, and comparison with YBa2(Cu1−xZnx)3O6 implies identical disruption of magnetism by Zn doping in the single- and double-plane systems. |
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