2003/04/22 by H. Yamagata, Hideki Yamagata, Hiroyuki Miyamoto +7 · 1 citation
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Magnetic and transport properties of perovskites and related materials #Physics of Superconductivity and Magnetism #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.1143/jpsj.72.1768
published as J. Phys. Soc. Jpn. 72 (2003) 1768 · 7 pages, 8 figures, to be published in J. Phys. Soc. Jpn. Vol.72, No. 7 (2003)
arxiv created 2003/04/22 · openalex publication_date 2003/07/15 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We studied Zn-substitution effect on the high-Tc superconductors, underdoped La2-xSrxCu1-yZnyO4 (x=0.10; y=0, 0.01, 0.02), optimally doped (x=0.15; y=0, 0.02), and overdoped (x=0.20; y=0, 0.03, 0.06) in a temperature range of T=4.2-300 K, using Cu nuclear quadrupole resonance (NQR) spin-echo technique. We found full disappearance of the Cu NQR signals for the Zn-substituted, Sr-underdoped x=0.10 samples below about 40 K, partial disappearance for the Sr-optimally doped ones below about 50 K, but not for the overdoped x=0.20 ones. From the Zn-doping, the Sr-doping and the temperature dependence of the wipeout effect, we associate the wipeout effect with Zn-induced Curie magnetism or its extended glassy charge-spin stripe formation.