A. I. Sinkevich, E. M. Semenova, G. G. Dunaeva, A. Yu. Karpenkov, M. B. Lyakhova, S. D. Smetannikova
{"title":"Processing and Analysis of Magnetic Force Microscopy Images of Bulk Uniaxial Crystals","authors":"A. I. Sinkevich, E. M. Semenova, G. G. Dunaeva, A. Yu. Karpenkov, M. B. Lyakhova, S. D. Smetannikova","doi":"10.1134/S1063774525600085","DOIUrl":null,"url":null,"abstract":"<p>The images of the magnetic domain structure (DS) stray fields were obtained in the basal plane of Nd<sub>2</sub>Fe<sub>14</sub>B and Y<sub>2</sub>(Fe<sub><i>x</i></sub>Co<span>\\(_{{1-x}}\\)</span>)<sub>17</sub> (<i>x</i> = 0.18, 0.41) bulk uniaxial crystal samples at different tip–sample lift heights <i>z</i> using a magnetic force microscope. A method for automated evaluation of magnetic force microscopy (MFM) images is proposed. The average number of extrema per unit length (<i>n</i>) was calculated, <i>n</i>(<i>z</i>) dependences were plotted, and an analytical expression for approximating experimental dependences was derived. The <i>n</i><sub>0</sub> values, related to the <i>z</i> = 0 point, were obtained by approximating experimental data with the analytical expression. The values of the average domain width <i>D</i> and domain wall (DW) energy surface density γ were calculated based on the found <i>n</i><sub>0</sub> values.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"70 3","pages":"491 - 498"},"PeriodicalIF":0.5000,"publicationDate":"2025-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Crystallography Reports","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1134/S1063774525600085","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CRYSTALLOGRAPHY","Score":null,"Total":0}
引用次数: 0
Abstract
The images of the magnetic domain structure (DS) stray fields were obtained in the basal plane of Nd2Fe14B and Y2(FexCo\(_{{1-x}}\))17 (x = 0.18, 0.41) bulk uniaxial crystal samples at different tip–sample lift heights z using a magnetic force microscope. A method for automated evaluation of magnetic force microscopy (MFM) images is proposed. The average number of extrema per unit length (n) was calculated, n(z) dependences were plotted, and an analytical expression for approximating experimental dependences was derived. The n0 values, related to the z = 0 point, were obtained by approximating experimental data with the analytical expression. The values of the average domain width D and domain wall (DW) energy surface density γ were calculated based on the found n0 values.
期刊介绍：
Crystallography Reports is a journal that publishes original articles short communications, and reviews on various aspects of crystallography: diffraction and scattering of X-rays, electrons, and neutrons, determination of crystal structure of inorganic and organic substances, including proteins and other biological substances; UV-VIS and IR spectroscopy; growth, imperfect structure and physical properties of crystals; thin films, liquid crystals, nanomaterials, partially disordered systems, and the methods of studies.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
