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Bente Lebech (1937–2023) 本特-莱贝奇（1937-2023）
Neutron News Pub Date : 2024-03-27 DOI: 10.1080/10448632.2024.2331398
JØrgen Kjems, Kurt NØrgaard clausen
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引用次数: 0
John W. White (1937–2023) 约翰-怀特（1937-2023）
Neutron News Pub Date : 2024-03-27 DOI: 10.1080/10448632.2024.2331400
E. Gilbert, Julia Higgins, G. Lander
{"title":"John W. White (1937–2023)","authors":"E. Gilbert, Julia Higgins, G. Lander","doi":"10.1080/10448632.2024.2331400","DOIUrl":"https://doi.org/10.1080/10448632.2024.2331400","url":null,"abstract":"","PeriodicalId":39014,"journal":{"name":"Neutron News","volume":"100 34","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140377616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
J. Bruce Forsyth (1932–2023) J.布鲁斯-福赛斯（1932-2023）
Neutron News Pub Date : 2024-03-27 DOI: 10.1080/10448632.2024.2331397
Mike Johnson, Bill David, Andrew Taylor
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引用次数: 0
Surfactant Induced Gelation of TEMPO-Oxidized Cellulose Nanofibril Dispersions Probed Using Small Angle Neutron Scattering 用小角中子散射研究表面活性剂诱导的tempo氧化纤维素纳米纤维的凝胶化
Neutron News Pub Date : 2023-11-08 DOI: 10.1080/10448632.2023.2227026
Julien Schmitt, Vincenzo Calabrese, Marcelo A. Da Silva, Kazi M. Z. Hossain, Peixun Li, Najet Mahmoudi, Robert M. Dalgliesh, Adam L. Washington, Janet L. Scott, Karen J. Edler
{"title":"Surfactant Induced Gelation of TEMPO-Oxidized Cellulose Nanofibril Dispersions Probed Using Small Angle Neutron Scattering","authors":"Julien Schmitt, Vincenzo Calabrese, Marcelo A. Da Silva, Kazi M. Z. Hossain, Peixun Li, Najet Mahmoudi, Robert M. Dalgliesh, Adam L. Washington, Janet L. Scott, Karen J. Edler","doi":"10.1080/10448632.2023.2227026","DOIUrl":"https://doi.org/10.1080/10448632.2023.2227026","url":null,"abstract":"In this work, we studied TEMPO-oxidized cellulose nanofibril (OCNF) suspensions in the presence of diverse surfactants. Using a combination of small angle neutron scattering (SANS) and rheology, we compared the physical properties of the suspensions with their structural behavior. Four surfactants were studied, all with the same hydrophobic tail length but different headgroups: hexaethylene glycol mono-n-dodecyl ether (C12EO6, nonionic), sodium dodecyl sulfate (SDS, anionic), cocamidopropyl betaine (CapB, zwitterionic), and dodecyltrimethylammonium bromide (DTAB, cationic). Contrast variation SANS studies using deuterated version of C12EO6 or SDS, or by varying the D2O/H2O ratio of the suspensions (with CapB), allowed focusing only on the structural properties of OCNFs or surfactant micelles. We showed that, in the concentration range studied, for C12EO6, although the nanofibrils are concentrated thanks to an excluded volume effect observed in SANS, the rheological properties of the suspensions are not affected. Addition of SDS or CapB induces gelation for surfactant concentrations superior to the critical micellar concentration (CMC). SANS results show that attractive interactions between OCNFs arise in the presence of these anionic or zwitterionic surfactants, hinting at depletion attraction as the main mechanism of gelation. Finally, addition of small amounts of DTAB (below the CMC) allows formation of a tough gel by adsorbing onto the OCNF surface.","PeriodicalId":39014,"journal":{"name":"Neutron News","volume":"15 S3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135341321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Diffusion of Star Polyelectrolytes in Ultrathin Coatings: A Neutron Reflectivity Study 星形聚电解质在超薄涂层中的扩散:中子反射率研究
Neutron News Pub Date : 2023-11-03 DOI: 10.1080/10448632.2023.2265833
Aliaksei Aliakseyeu, John F. Ankner, Svetlana A. Sukhishvili
{"title":"Diffusion of Star Polyelectrolytes in Ultrathin Coatings: A Neutron Reflectivity Study","authors":"Aliaksei Aliakseyeu, John F. Ankner, Svetlana A. Sukhishvili","doi":"10.1080/10448632.2023.2265833","DOIUrl":"https://doi.org/10.1080/10448632.2023.2265833","url":null,"abstract":"\"Diffusion of Star Polyelectrolytes in Ultrathin Coatings: A Neutron Reflectivity Study.\" Neutron News, ahead-of-print(ahead-of-print), pp. 1–2","PeriodicalId":39014,"journal":{"name":"Neutron News","volume":"40 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135868513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tilted Spirals and Low-temperature Skyrmions in Cu 2 OSeO 3 cu2o3中的倾斜螺旋和低温skyrmicons
Neutron News Pub Date : 2023-11-03 DOI: 10.1080/10448632.2023.2265858
M. Crisanti, A. O. Leonov, R. Cubitt, A. Lahb, H. Wilhelm, M. P. Schmidt, C. Pappas
{"title":"Tilted Spirals and Low-temperature Skyrmions in Cu <sub>2</sub> OSeO <sub>3</sub>","authors":"M. Crisanti, A. O. Leonov, R. Cubitt, A. Lahb, H. Wilhelm, M. P. Schmidt, C. Pappas","doi":"10.1080/10448632.2023.2265858","DOIUrl":"https://doi.org/10.1080/10448632.2023.2265858","url":null,"abstract":"The bulk helimagnet Cu2OSeO3 represents a unique example in the family of B20 cubic helimagnets exhibiting a tilted spiral and skyrmion phase at low temperatures when the magnetic field is applied along the easy<001>crystallographic direction. Here we present a systematic study of the stability and ordering of these low temperature magnetic states. We focus our attention on the temperature and field dependencies of the tilted spiral state that we observe persisting up to above T =35 K, i.e. up to higher temperatures than reported so far. We discuss these results in the frame of the phenomenological theory introduced by Dzyaloshinskii in an attempt to reach a quantitative description of the experimental findings. We find that the anisotropy constants, which are the drivers behind the observed behaviour, exhibit a pronounced temperature dependence. This explains the differences in the behaviour observed at high temperatures (above T = 18 K), where the cubic anisotropy is weak, and at low temperatures (below T = 18 K), where a strong cubic anisotropy induces an abrupt appearance of the tilted spirals out of the conical state and enhances the stability of skyrmions.","PeriodicalId":39014,"journal":{"name":"Neutron News","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135820092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Comprehensive Expression for the Description of Single Chain Scattering Functions as Tool to Interpret Neutron Spin-Echo Data from Reptating Polymer Chains 单链散射函数描述的综合表达式，可作为解释重复聚合物链中子自旋回波数据的工具
Neutron News Pub Date : 2023-11-03 DOI: 10.1080/10448632.2023.2265876
Michael Monkenbusch, Dieter Richter, Margarita Kruteva
{"title":"A Comprehensive Expression for the Description of Single Chain Scattering Functions as Tool to Interpret Neutron Spin-Echo Data from Reptating Polymer Chains","authors":"Michael Monkenbusch, Dieter Richter, Margarita Kruteva","doi":"10.1080/10448632.2023.2265876","DOIUrl":"https://doi.org/10.1080/10448632.2023.2265876","url":null,"abstract":"","PeriodicalId":39014,"journal":{"name":"Neutron News","volume":"44 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135868866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
4th PSI Condensed Matter Summer Camp 第四届PSI凝聚态物质夏令营
Neutron News Pub Date : 2023-11-03 DOI: 10.1080/10448632.2023.2265818
David Tam
{"title":"4th PSI Condensed Matter Summer Camp","authors":"David Tam","doi":"10.1080/10448632.2023.2265818","DOIUrl":"https://doi.org/10.1080/10448632.2023.2265818","url":null,"abstract":"","PeriodicalId":39014,"journal":{"name":"Neutron News","volume":"45 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135868859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
MLZ Conference 2023: Neutrons for Biomaterials MLZ会议2023:中子用于生物材料
Neutron News Pub Date : 2023-10-19 DOI: 10.1080/10448632.2023.2264725
Stefano Pasini
{"title":"MLZ Conference 2023: Neutrons for Biomaterials","authors":"Stefano Pasini","doi":"10.1080/10448632.2023.2264725","DOIUrl":"https://doi.org/10.1080/10448632.2023.2264725","url":null,"abstract":"\"MLZ Conference 2023: Neutrons for Biomaterials.\" Neutron News, ahead-of-print(ahead-of-print), pp. 1–2","PeriodicalId":39014,"journal":{"name":"Neutron News","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135729091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
To Achieve the Grazing-Incidence Small-Angle Neutron Scattering on a Pinhole SANS 在针孔SANS上实现掠入射小角中子散射
Neutron News Pub Date : 2023-09-13 DOI: 10.1080/10448632.2023.2247315
Dong Liu, Jie Chen, Guangai Sun
{"title":"To Achieve the Grazing-Incidence Small-Angle Neutron Scattering on a Pinhole SANS","authors":"Dong Liu, Jie Chen, Guangai Sun","doi":"10.1080/10448632.2023.2247315","DOIUrl":"https://doi.org/10.1080/10448632.2023.2247315","url":null,"abstract":"\"To Achieve the Grazing-Incidence Small-Angle Neutron Scattering on a Pinhole SANS.\" Neutron News, ahead-of-print(ahead-of-print), pp. 1–2 Additional informationFundingThe project is supported in part by the National Natural Science Foundation of China (12275248, U21A2090), the NSAF (U1830205).","PeriodicalId":39014,"journal":{"name":"Neutron News","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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