Resonant X-ray diffraction studies on modulation structures of high temperature superconducting sample Sr2CuO3.4

Hai-Bo Wang; Zhen-Lin Luo; Qing-Qing Liu; Chang-Qing Jin; Chen Gao; Li Zhang

doi:10.7498/aps.68.20190494

Journals >Acta Physica Sinica >Volume 68 >Issue 18 >Page 187401-1 > Article

Acta Physica Sinica
Vol. 68, Issue 18, 187401-1 (2019)

Resonant X-ray diffraction studies on modulation structures of high temperature superconducting sample Sr₂CuO_3.4

Hai-Bo Wang^1、2, Zhen-Lin Luo², Qing-Qing Liu³, Chang-Qing Jin³, Chen Gao², and Li Zhang^1、*

Author Affiliations

¹Tonghua Normal University, Tonghua 134002, China

²University of Science and Technology of China, Hefei 230026, China

³Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

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DOI: 10.7498/aps.68.20190494 Cite this Article

Hai-Bo Wang, Zhen-Lin Luo, Qing-Qing Liu, Chang-Qing Jin, Chen Gao, Li Zhang. Resonant X-ray diffraction studies on modulation structures of high temperature superconducting sample Sr₂CuO_3.4[J]. Acta Physica Sinica, 2019, 68(18): 187401-1 Copy Citation Text

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Crystal structure of Sr2CuO3+δ.Sr2CuO3+δ的晶体结构

Fig. 1. Crystal structure of Sr₂CuO_3+δ. Sr₂CuO_3+δ的晶体结构

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Fig. 2. Geometric schematic diagram of RXD experimental measurement.RXD实验测量几何示意图

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$Two-dimensional diffraction patterns of Sr2CuO3+δ superconducting powder samples (Tc = 48 K) at different incident photon energies.Sr2CuO3+δ超导粉末样品(Tc = 48 K)在不同入射光子能量下采集的二维衍射图$

Fig. 3. Two-dimensional diffraction patterns of Sr₂CuO_3+δ superconducting powder samples (T_c = 48 K) at different incident photon energies. Sr₂CuO_3+δ超导粉末样品(T_c = 48 K)在不同入射光子能量下采集的二维衍射图

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$Diffraction curve and calibration of diffraction peak of Sr2CuO3+δ superconducting powder samples with incident photon energy of 8.95 keV.入射光子能量为8.95 keV时Sr2CuO3+δ (Tc = 48 K)超导粉末样品的衍射曲线以及衍射峰标定$

Fig. 4. Diffraction curve and calibration of diffraction peak of Sr₂CuO_3+δ superconducting powder samples with incident photon energy of 8.95 keV. 入射光子能量为8.95 keV时Sr₂CuO_3+δ (T_c = 48 K)超导粉末样品的衍射曲线以及衍射峰标定

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Fig. 5. Real and imaginary parts of atomic scattering factors of Cu²⁺ and Cu³⁺ ions. Cu²⁺和Cu³⁺的原子散射因子的实部和虚部

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$Energy dependence of (2/5, 4/5, 0) diffraction peak intensity.(2/5, 4/5, 0)衍射峰强度的能量依赖性$

Fig. 6. Energy dependence of (2/5, 4/5, 0) diffraction peak intensity.(2/5, 4/5, 0)衍射峰强度的能量依赖性

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