Low-energy phonons in TbNi2B2C and HoNi2B2C

Kreyssig A; Stockert O; Reznik D; Woodward FM; Lynn JW; Reichardt W; Souptel D; Behr G; Loewenhaupt M

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Low-energy phonons in TbNi2B2C and HoNi2B2C

机译：TbNi2B2C和HoNi2B2C中的低能声子

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We report inelastic neutron-scattering experiments on RNi2B2C single crystals (R-Tb and Ho) to investigate the dispersion of low-energy phonons. Both compounds order antiferromagnetically at low temperatures. For superconducting HoNi2B2C we observe a strong softening of two phonon branches similar to other superconducting RNi2B2C compounds. In contrast, for the non-superconducting TbNi2B2C we could not detect significant changes in the phonon spectra as a function of temperature. This correlation between superconductivity and the observed phonon softening indicates a strong electron-phonon interaction and strongly supports the BCS-like description of these compounds. (C) 2004 Elsevier B.V. All rights reserved.

机译：我们报告RNi2B2C单晶（R-Tb和Ho）的非弹性中子散射实验，以研究低能声子的色散。两种化合物在低温下都具有反铁磁性。对于超导HoNi2B2C，我们观察到类似于其他超导RNi2B2C化合物的两个声子支的强软化。相反，对于非超导TbNi2B2C，我们无法检测到声子光谱随温度的显着变化。超导性与观察到的声子软化之间的这种相关性表明强烈的电子-声子相互作用，并强烈支持这些化合物的BCS状描述。（C）2004 Elsevier B.V.保留所有权利。

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《Physica, B. Condensed Matter》 |2004年第3期|共3页
作者
Kreyssig A; Stockert O; Reznik D; Woodward FM; Lynn JW; Reichardt W; Souptel D; Behr G; Loewenhaupt M;
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正文语种 eng
中图分类物理学;
关键词
borocarbides; phonons; neutron inelastic scattering; electron-phonon interaction; SUPERCONDUCTING LUNI2B2C; CRYSTAL-STRUCTURE; MAGNETIC ORDER; SOFT PHONONS; RNI(2)B(2)C;

机译：硼碳化物;声子;中子非弹性散射;电子-声子相互作用;超导LUNI2B2C;晶体结构;磁阶;软声子;RNI（2）B（2）C;

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专利

1. Low-energy phonons in TbNi2B2C and HoNi2B2C [J] . Kreyssig A, Stockert O, Reznik D, Physica, B. Condensed Matter . 2004,第1a3期

机译：TbNi2B2C和HoNi2B2C中的低能声子
2. Electron and phonon band-structure calculations for the antipolar SrPt_3P Antiperovskite Superconductor: Evidence of low-energy two-dimensional phonons [J] . Kang C.-J., Ahn K.-H., Lee K.-W., Journal of the Physical Society of Japan . 2013,第5期

机译：反极性SrPt_3P反钙钛矿超导体的电子和声子能带结构计算：低能二维声子的证据
3. Creation and decay of high-energy phonons in anisotropic systems of low-energy phonons in superfluid helium [J] . I. N. Adamenko, Yu. A. Kitsenko, K. E. Nemchenko, Physical review. B, Condensed Matter And Materials Physics . 2006,第13期

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4. Phonons electron-phonon interactions and phonon-phonon interactions in III-V nitrides [C] . Leah Bergman, North Carolina State Univ., Raleigh, Conference on ultrafast phenomena in semiconductors . 2000

机译：III-V族氮化物中的声子电子-声子相互作用和声子-声子相互作用
5. Phonon-phonon and electron-phonon interactions in single crystals and nanoparticle materials. [D] . Yang, Ho-Soon. 2000

机译：单晶和纳米粒子材料中的声子-声子和电子-声子相互作用。
6. Temperature dependence of phonon-defect interactions: phonon scattering vs. phonon trapping [O] . M. B. Bebek, C. M. Stanley, T. M. Gibbons, -1

机译：声子-缺陷相互作用的温度依赖性：声子散射与声子俘获
7. Temperature dependence of low-energy phonons in magnetic nonsuperconducting TbNi2B2C [O] . Anissimova, S., Kreyssig, A., Stockert, O., 2011

机译：低能声子在磁场中的温度依赖性非超导TbNi2B2C

Low-energy phonons in TbNi2B2C and HoNi2B2C

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