Infrared spectroscopy on Y1-xRExBa2Cu3-yZnyO6 (RE=Pr, Gd, x=0 and 0.8; y=0 and approximate to 0.15)

Gruninger M.; Geserich HP.; Wolf T.; Erb A.; Kopp T.; van der Marel D.

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Infrared spectroscopy on Y1-xRExBa2Cu3-yZnyO6 (RE=Pr, Gd, x=0 and 0.8; y=0 and approximate to 0.15)

机译：Y1-xRExBa2Cu3-yZnyO6的红外光谱（RE = Pr，Gd，x = 0和0.8; y = 0并接近0.15）

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Far-and mid-infrared properties of antiferromagnetic Y1-xRExBa2Cu3-yZnyO6 (RE = Pr, Gd, x = 0 and 0.8; y = 0 and approximate to 0.15) were investigated by infrared reflection and transmission measurements (k parallel to c-axis). All six phonon modes of E-u symmetry and several multi-phonon bands were observed. Zn substitution causes phonon side bands and a surprising temperature dependence of multi-phonon bands, possibly due to spin-lattice interactions. All compounds show several features in the mid-infrared range that might be related to bimagnon-plus-phonon absorption. Published by Elsevier Science B.V. [References: 21]

机译：通过红外反射和透射测量（k平行于c轴）研究了反铁磁Y1-xRExBa2Cu3-yZnyO6（RE = Pr，Gd，x = 0和0.8; y = 0且接近0.15）的远红外和中红外特性。）。观察到E-u对称性的所有六个声子模式和几个多声子带。 Zn取代会引起声子边带和多声子带的温度变化，这可能是由于自旋-晶格相互作用所致。所有化合物均在中红外范围内显示出一些可能与双磁子加声子吸收有关的特征。由Elsevier Science B.V.发布[参考文献：21]

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《Physica, B. Condensed Matter》 |1998年第0期|共6页
作者
Gruninger M.; Geserich HP.; Wolf T.; Erb A.; Kopp T.; van der Marel D.;
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正文语种 eng
中图分类物理学;
关键词
Antiferromagnetic cuprates; Multi-phonons; Magnons; Zn substitution; Yba2cu3o6; Far-infrared spectroscopy;

机译：反铁磁铜酸盐;多声子;磁振子;锌取代;Yba2cu3o6;远红外光谱;

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Infrared spectroscopy on Y1-xRExBa2Cu3-yZnyO6 (RE=Pr, Gd, x=0 and 0.8; y=0 and approximate to 0.15)

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