您现在的位置:首页 >  >> 

1W1A-漫散射实验站

时间:2023年05月26日 点击数: 出处: 编辑:

一、简介

北京正负电子对撞机储存环I区的Wiggler插入件1W1引出了两条同步辐射光束线1W1A1W1B,这两条光束线位于北京同步辐射装置12号实验厅。漫散射实验站利用1W1A光束线提供的双聚焦单色X射线,开展晶体及薄膜材料的结构研究。该实验站可在专用和兼用两种模式下运行开放。

二、研究范围

漫散射实验站可以开展晶体材料中的缺陷,薄膜、多层膜的表面/界面,纳米材料结构等研究。

三、研究方法和发展方向

X射线共面衍射/散射,X射线掠入射衍射/散射,X射线反射率/非镜面散射,X射线掠入射小角散射等。

四、束线结构

1W1A光束线的主要光学元件包括斜切弯晶单色器和平面压弯反射镜。斜切弯晶单色器距光源19米,实现1W1A束线的单色化及水平聚焦,并达到与1W1B光束线的分束的目的。平面压弯反射镜位于弯晶单色器后1.6米处,用于实现光束的水平聚焦并有效的抑制高次谐波。

 

图1 1W1A束线装置图

图2 1W1A束线光路图

 

五、样品处光源参数

能量范围:8.05keV

能量分辨率(ΔE/E):4.4x10-4 @ 8.05keV

光通量(photons/s):>1x1011 @ 8.05keV

光斑尺寸(H x V)1x0.4 mm2

六、实验站主要设备

1、Huber五圆衍射仪

2、探测器:NaI探测器Mar345Pilatus100KEIGER X1M二维探测器

3、控制与数据获取系统: SPEC

图3 掠入射广角X射线散射(GIWAXS)实验

 

七、研究工作和应用成果(参考文献)

 (1) Yuan-Yuan Tan, Tong Li, Yu Chen, Zhong-Jun Chen, Ming-Yao Su, Jing Zhang, Yu Gong, Tao Wu, Hai-Ying Wang, Lan-Hong Dai, Uncovering heterogeneity of local lattice distortion in TiZrHfNbTa refractory high entropy alloy by SR-XRD and EXAFS, Scripta Materialia, Volume 223, 2023, 115079.

(2) Li, L., Wang, M., Zhou, Y. et al. Manipulating the insulator–metal transition through tip-induced hydrogenation. Nat. Mater. (2022). 

(3) Hongxiang Li, Xinyu Liu, Tianya Jin, Kefeng Zhao, Qiang Zhang, Chunyong He,Hua Yang,* Yu Chen,* Jianyao Huang, Xinhong Yu, and Yanchun Han*, Optimizing the Intercrystallite Connection of a Donor–Acceptor Conjugated Semiconductor Polymer by Controlling the Crystallization Rate via TemperatureMacromol. Rapid Commun. 2022, 43, 2200084

(4) Ziting Zhu, Hongjian Wang, Chenliang Cao, Jiyu Zou, Meidi Wang,Zhiming Zhang, Yuhan Wang, Yu Cao, Fusheng Pan*, Yu Chen**,Zhongyi Jiang*** ,Covalent organic framework membranes prepared via mixed linker modulated assembly for hydrogen peroxide enrichment, Journal of Membrane Science 663 (2022) 121043

(5) Yushuai Xu, Hailong Wang, Yu Chen,* Liang Chen, and Zhiyuan Xie*, Efficient Sky-Blue Light-Emitting Diodes Based on Oriented Perovskite Nanoplates, Adv. Optical Mater. 2022, 10, 2101525

(6) Yongkang Lv, Yusen Li, Guang Zhang, Zhongxiang Peng, Long Ye, Yu Chen, Ting Zhang,Guolong Xing & Long Chen*, An In Situ Film-to-Film Transformation Approach toward Highly Crystalline Covalent Organic Framework Films, CCS Chem. 2022, 4, 1519–1525

(7) Xu Liang, Hong Wu,  Hongliang Huang,  Xiaoyao Wang, Meidi Wang, Haozhen Dou, Guangwei He, Yanxiong Ren,  Yutao Liu, Yingzhen Wu, Shaoyu Wang, Huilin Ge, Chongli Zhong, Yu Chen and Zhongyi Jiang *, Efficient ethylene/ethane separation through ionic liquid-confined covalent organic framework membranes, J. Mater. Chem. A, 2022, 10,5420

(8) Wang, M., Zhang, P., Liang, X. et al. Ultrafast seawater desalination with covalent organic framework membranes. Nat Sustain 5, 518–526 (2022).

(9) Qixin Zhuang, Cong Zhang, Cheng Gong, Haiyun Li, Hongxiang Li, Zhongying Zhang, Hua Yang, Jiangzhao Chen, Zhigang Zang, Tailoring multifunctional anion modifiers to modulate interfacial chemical interactions for efficient and stable perovskite solar cells, Nano Energy, Volume 102, 2022, 107747

(10) HANG LIJUNJIE ZHOULIGUO TANMINGHAO. et al. Sequential vacuum-evaporated perovskite solar cells with more than 24% efficiencySCIENCE ADVANCES15 Jul 2022 Vol 8, Issue 28

(11) Chenyang Zhao, Wenping Wu, Hongmei Zhan, Wei Yuan, Hongxiang Li, Dezhong Zhang, Dapeng Wang, Yanxiang Cheng, Shiyang Shao, Chuanjiang Qin,* and Lixiang Wang., Phosphonate/Phosphine Oxide Dyad Additive for Efficient Perovskite Light-Emitting Diodes, Angew. Chem. Int. Ed. 2022, e202117374 (1 of 5)

(12) Jie Zhang, Xueying Fan, Xiaodong Meng, Ji Zhou, Manyun Wang, Shang Chen, Yawen Cao, Yu Chen, Christopher W. Bielawski, and Jianxin Geng., Ice-Templated Large-Scale Preparation of Two-Dimensional Sheets of Conjugated Polymers: Thickness-Independent Flexible Supercapacitance, ACS Nano 2021, 15, 5, 8870–8882

(13) Tianyu Li,Shiqing Deng,Hui Liu,Shengdong Sun,Hao Li,Shuxian Hu,Shi Liu,Xianran Xing,Jun Chen,Strong Room-Temperature Ferroelectricity in Strained SrTiO3 Homoepitaxial Film, Advanced Materials, Volume33, Issue21, May 27, 2021, 2008316

(14) Qiao Jin,Hu Cheng,Zhiwen Wang, et al., Strain-Mediated High Conductivity in Ultrathin Antiferromagnetic Metallic Nitrides, Advanced Materials, Volume33, Issue2, January 14, 2021,2005920

(15) Chen, H., Zhang, R., Chen, X. et al. A guest-assisted molecular-organization approach for >17% efficiency organic solar cells using environmentally friendly solvents. Nat Energy 6, 1045–1053 (2021).

八、人员队伍与人才培养

在职人员:4人

研究生:2人

九、联系方式 

王焕华 研究员   电话:010-88236672 Email:wanghh@ihep.ac.cn

陈  雨 副研究员   电话:010-88235994 Email:chen_yu@ihep.ac.cn

通信地址:北京918信箱,中国科学院高能物理研究所12号厅漫散射实验站, 100049

字体: 收藏 打印文章