{"title":"(CoP)软/(NiP)am/(CoP)硬/(NiP)am]n 超晶格的磁特性","authors":"Gennadiy Patrin , Vitaly Orlov , Yaroslav Shiyan","doi":"10.1016/j.physb.2024.416664","DOIUrl":null,"url":null,"abstract":"<div><div>We report on the results of experimental and theoretical studies of magnetic superlattices [(CoP)<sub>soft</sub>/(NiP)<sub>am</sub>/(CoP)<sub>hard</sub>/(NiP)<sub>am</sub>]<sub>n</sub> (n = 1, 5, 10, 15, 20, 40, t<sub>CoP</sub> = 5 nm, t<sub>NiP</sub> = 2 nm) produced by electroless deposition method. Cross-section electron microscopy image shows the layers do not mix and the interfaces between the layers are not blurred. We found the behavior of the magnetic hysteresis loops is similar to the exchange spring. Three peaks of microwave absorption are observed in the electron magnetic resonance spectra. To explain this, a model of a three-sublattice magnet with long-range interlayer interaction due to magnetic proximity effect is proposed. A perpendicular magnetic anisotropy is formed at the interface between the magnetic and non-magnetic layers. The interlayer interaction between the nearest magnetically soft and hard (J<sub>1</sub>) layers is found to be negative, the interaction between magnetically soft layers (J<sub>2</sub>) is positive, while J<sub>1</sub> is about an order of magnitude greater than J<sub>2</sub>.</div></div>","PeriodicalId":20116,"journal":{"name":"Physica B-condensed Matter","volume":"696 ","pages":"Article 416664"},"PeriodicalIF":2.8000,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Magnetic properties of [(CoP)soft/(NiP)am/(CoP)hard/(NiP)am]n superlattices\",\"authors\":\"Gennadiy Patrin , Vitaly Orlov , Yaroslav Shiyan\",\"doi\":\"10.1016/j.physb.2024.416664\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>We report on the results of experimental and theoretical studies of magnetic superlattices [(CoP)<sub>soft</sub>/(NiP)<sub>am</sub>/(CoP)<sub>hard</sub>/(NiP)<sub>am</sub>]<sub>n</sub> (n = 1, 5, 10, 15, 20, 40, t<sub>CoP</sub> = 5 nm, t<sub>NiP</sub> = 2 nm) produced by electroless deposition method. Cross-section electron microscopy image shows the layers do not mix and the interfaces between the layers are not blurred. We found the behavior of the magnetic hysteresis loops is similar to the exchange spring. Three peaks of microwave absorption are observed in the electron magnetic resonance spectra. To explain this, a model of a three-sublattice magnet with long-range interlayer interaction due to magnetic proximity effect is proposed. A perpendicular magnetic anisotropy is formed at the interface between the magnetic and non-magnetic layers. The interlayer interaction between the nearest magnetically soft and hard (J<sub>1</sub>) layers is found to be negative, the interaction between magnetically soft layers (J<sub>2</sub>) is positive, while J<sub>1</sub> is about an order of magnitude greater than J<sub>2</sub>.</div></div>\",\"PeriodicalId\":20116,\"journal\":{\"name\":\"Physica B-condensed Matter\",\"volume\":\"696 \",\"pages\":\"Article 416664\"},\"PeriodicalIF\":2.8000,\"publicationDate\":\"2024-10-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physica B-condensed Matter\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0921452624010056\",\"RegionNum\":3,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"PHYSICS, CONDENSED MATTER\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physica B-condensed Matter","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0921452624010056","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PHYSICS, CONDENSED MATTER","Score":null,"Total":0}
Magnetic properties of [(CoP)soft/(NiP)am/(CoP)hard/(NiP)am]n superlattices
We report on the results of experimental and theoretical studies of magnetic superlattices [(CoP)soft/(NiP)am/(CoP)hard/(NiP)am]n (n = 1, 5, 10, 15, 20, 40, tCoP = 5 nm, tNiP = 2 nm) produced by electroless deposition method. Cross-section electron microscopy image shows the layers do not mix and the interfaces between the layers are not blurred. We found the behavior of the magnetic hysteresis loops is similar to the exchange spring. Three peaks of microwave absorption are observed in the electron magnetic resonance spectra. To explain this, a model of a three-sublattice magnet with long-range interlayer interaction due to magnetic proximity effect is proposed. A perpendicular magnetic anisotropy is formed at the interface between the magnetic and non-magnetic layers. The interlayer interaction between the nearest magnetically soft and hard (J1) layers is found to be negative, the interaction between magnetically soft layers (J2) is positive, while J1 is about an order of magnitude greater than J2.
期刊介绍：
Physica B: Condensed Matter comprises all condensed matter and material physics that involve theoretical, computational and experimental work.
Papers should contain further developments and a proper discussion on the physics of experimental or theoretical results in one of the following areas:
-Magnetism
-Materials physics
-Nanostructures and nanomaterials
-Optics and optical materials
-Quantum materials
-Semiconductors
-Strongly correlated systems
-Superconductivity
-Surfaces and interfaces
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