Research & References

技术积累与参考文献

iPowder 不是一次性完成的软件,而是一套在持续算法研发中不断进化的 XRD 分析平台。

01 / 持续积累

从结构解析,到智能分析流程

iPowder 的专业能力建立在长期持续的算法开发、数据库建设、晶体学方法研究与软件工程积累之上。新的分析方法与真实科研问题,持续推动平台扩展。

2007–2010

晶体结构搜索与解析

GEST、PeckCryst 与结构模型筛选,积累粉末衍射结构解析方法。

2019

自动 Rietveld 精修

探索智能算法与专业精修流程的结合,提高分析自动化水平。

2024–2025

统一专业分析平台

二维积分、物相检索、结构可视化与高通量 XRD 分析。

持续发展

AI Agent 与实验闭环

连接专业工具、知识库与实验流程,推进智能分析与结果判断。

持续扩展专业能力,保持结果的可靠性、可重复性与可追溯性。

02 / 代表性工作

iPowder 及相关软件与算法

按发表年份由近及远排列,展示团队在专业分析工具与晶体学方法方面的持续积累。

  1. 01
    iPowder

    iPowder: advanced software for automated high-throughput X-ray diffraction analysis.

    Chang, S., Lv, B., Yang, W., Dong, C., Katcho, N. A., Cao, S., Zhang, J., Rodríguez-Carvajal, J. & Feng, Z. (2025).

    Journal of Applied Crystallography, 58, 296–301.

    DOI · 10.1107/S1600576724012160 ↗
  2. 02
    iModel

    iModel: an interactive 3D crystal structure visualization program.

    Cao, J., Feng, Z., Lv, B., Sun, X., Chang, S., Zhang, J. & Zhang, T. (2024).

    Journal of Applied Crystallography, 57, 859–864.

    DOI · 10.1107/S160057672400284X ↗
  3. 03
    iQual

    iQual: a new computer program for qualitative phase analysis with efficient search–match capability.

    Lv, B., Feng, Z., Sun, X., Cao, J., Gao, Y., Chang, S., Dong, C. & Zhang, J. (2024).

    Journal of Applied Crystallography, 57, 572–579.

    DOI · 10.1107/S1600576724002267 ↗
  4. 04
    iRing

    iRing: a program for two-dimensional powder diffraction image integration with automatic calibration.

    Sun, X., Feng, Z., Lv, B., Cao, J., Chang, S. & Dong, C. (2024).

    Journal of Applied Crystallography, 57, 567–571.

    期刊页面 ↗
  5. 05
    自动 Rietveld 精修

    Method of artificial intelligence algorithm to improve the automation level of Rietveld refinement.

    Feng, Z., Hou, Q., Zheng, Y., Ren, W., Ge, J.-Y., Li, T., Cheng, C., Lu, W., Cao, S., Zhang, J. & Zhang, T. (2019).

    Computational Materials Science, 156, 310–314.

    DOI · 10.1016/j.commatsci.2018.10.006 ↗
  6. 06
    Bragg 强度提取

    New procedure to obtain Bragg-reflection intensities from FULLPROF suite for powder crystal-structure determination using GEST and PECKCRYST programs.

    Feng, Z. J. et al. (2010).

    Powder Diffraction, 25(4), 374–376.

    DOI · 10.1154/1.3501976 ↗
  7. 07
    GEST 结构模型筛选

    An approach for eliminating chemically unreasonable structure models with overlapping atoms as implemented within the GEST software.

    Feng, Z. J., Jia, R. R., Dong, C., Cao, S. X. & Zhang, J. C. (2010).

    Journal of Applied Crystallography, 43, 179–180.

    DOI · 10.1107/S0021889809049875 ↗
  8. 08
    PeckCryst

    PeckCryst: a program for structure determination from powder diffraction data using a particle swarm optimization algorithm.

    Feng, Z. J., Dong, C., Jia, R. R., Deng, X. D., Cao, S. X. & Zhang, J. C. (2009).

    Journal of Applied Crystallography, 42, 1189–1193.

    DOI · 10.1107/S0021889809034207 ↗
  9. 09
    GEST

    GEST: a program for structure determination from powder diffraction data using a genetic algorithm.

    Feng, Z. & Dong, C. (2007).

    Journal of Applied Crystallography, 40, 583–588.

    DOI · 10.1107/S0021889807008618 ↗
03 / 专业方法参考

FullProf 与中子衍射磁结构分析

  1. 10
    FullProf 磁结构

    Magnetic structure determination and refinement using FullProf.

    Rodríguez-Carvajal, J., González-Platas, J. & Katcho, N. A. (2025).

    Acta Crystallographica Section B: Structural Science, 81, 302–317.

    DOI · 10.1107/S2052520625003944 ↗
  2. 11
    中子衍射磁结构

    Recent advances in magnetic structure determination by neutron powder diffraction.

    Rodríguez-Carvajal, J. (1993).

    Physica B: Condensed Matter, 192(1–2), 55–69.

    DOI · 10.1016/0921-4526(93)90108-I ↗
Built on research. Evolving with science.

让专业积累,成为每一次分析的基础。

探索 iPowder 专业功能 →