Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Magnetic Fields01:27

Magnetic Fields

6.0K
A moving charge or a current creates a magnetic field in the surrounding space, in addition to its electric field. The magnetic field exerts a force on any other moving charge or current that is present in the field. Like an electric field, the magnetic field is also a vector field. At any position, the direction of the magnetic field is defined as the direction in which the north pole of a compass needle points.
A magnetic field is defined by the force that a charged particle experiences...
6.0K
Faraday Disk Dynamo01:23

Faraday Disk Dynamo

3.9K
A Faraday disk dynamo is a DC generator, producing an emf that is constant in time. It consists of a conducting disk that rotates with a constant angular velocity in the magnetic field, perpendicular to the disk's plane. The rotation of the disk causes a change in magnetic flux, which induces an emf, causing opposite charges to develop on the rim and in the center of the disk. The polarity of the induced emf can be determined by the direction of the magnetic field and the direction of the...
3.9K
Eddy Currents01:25

Eddy Currents

2.8K
Since eddy currents occur only in conductors, magnets can separate metals from other materials. For example, in a recycling center, trash is dumped in batches down a ramp, beneath which lies a powerful magnet. Conductors in the trash are slowed by eddy currents, while nonmetals in the trash move on, separating from the metals. This works for all metals, not just ferromagnetic ones.
Other major applications of eddy currents appear in metal detectors and the braking systems of trains and roller...
2.8K
Energy In A Magnetic Field01:24

Energy In A Magnetic Field

1.6K
If a magnetic field is sustained, there must be a current in a closed circuit or loop, implying some energy has been spent in creating the field. If this energy is not dissipated via the circuit's resistance, it is stored in the field.
Take an ideal inductor with zero resistance. Although it's practically impossible, assume that the coil's resistance is so small that it is practically negligible. The loss of the field's energy to dissipate thermal energy (or heat) is thus...
1.6K
Magnetic Force01:18

Magnetic Force

2.4K
In addition to the electric forces between electric charges, moving electric charges exert magnetic forces on each other. A magnetic field is created by a moving charge or a group of moving charges known as the electric current. A magnetic force is experienced by a second current or moving charge in response to this magnetic field. Fundamentally, interactions between moving electrons in the atoms of two bodies produce magnetic forces between them.
The magnetic force acting on a moving charge...
2.4K
Magnetic Damping01:17

Magnetic Damping

1.3K
Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
1.3K

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

[Clinical features and long-term prognosis of probable antibody-negative autoimmune encephalitis in children].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2026
Same author

[Effects of <i>Dermatophagoides pteronyssinus</i> allergen-specific immunotherapy on <i>Blomia tropicalis</i>-specific antibody levels and synergistic effects in children].

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]·2025
Same author

[Safety study on the simultaneous administration of oral pentavalent recombinant rotavirus attenuated live vaccine and other vaccines in Chaoyang District, Beijing City from 2019 to 2021].

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]·2025
Same author

[Developmental delay and seizures with or without movement abnormalities associated with DHDDS gene variant in 3 children].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2024
Same author

[Clinical characteristics analysis of 4 cases with acute flaccid myelitis in children].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2024
Same author

Anomalous electrons in a metallic kagome ferromagnet.

Nature·2024
Same journal

Retraction Note: NSD2 targeting reverses plasticity and drug resistance in prostate cancer.

Nature·2026
Same journal

Enhanced B cell priming induces broadly neutralizing HIV-1 apex antibodies.

Nature·2026
Same journal

Vaccination elicits HIV broadly neutralizing antibodies in primates.

Nature·2026
Same journal

Child online safety needs more than social-media bans.

Nature·2026
Same journal

Ebola preparedness must start with ecosystems and before humans show symptoms.

Nature·2026
Same journal

AI tools can speed up thinking, but evidence still comes from the lab bench.

Nature·2026
関連記事をすべて見る

関連する実験動画

Updated: May 6, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
07:01

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Published on: June 9, 2016

9.2K

スピンエンジニアリングの磁気メディア

S P Li1, W S Lew, J A C Bland

  • 1Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, UK. jacb1@phy.cam.ac.uk

Nature
|February 8, 2002
PubMed
まとめ
この要約は機械生成です。

新しい磁気メディアは,データ保存密度を高めるために,均質なフィルムにエンジニアリングされたスピン構成を使用しています. この方法は,正規なスピン配列の磁性アニソトロピーを変化させ,材料の完全性と表面の平坦性を維持します.

さらに関連する動画

Fabrication of Magnetic Nanostructures on Silicon Nitride Membranes for Magnetic Vortex Studies Using Transmission Microscopy Techniques
06:27

Fabrication of Magnetic Nanostructures on Silicon Nitride Membranes for Magnetic Vortex Studies Using Transmission Microscopy Techniques

Published on: July 2, 2018

8.5K
Magnetic Adjustment of Afterload in Engineered Heart Tissues
09:40

Magnetic Adjustment of Afterload in Engineered Heart Tissues

Published on: May 5, 2020

5.3K

関連する実験動画

Last Updated: May 6, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
07:01

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Published on: June 9, 2016

9.2K
Fabrication of Magnetic Nanostructures on Silicon Nitride Membranes for Magnetic Vortex Studies Using Transmission Microscopy Techniques
06:27

Fabrication of Magnetic Nanostructures on Silicon Nitride Membranes for Magnetic Vortex Studies Using Transmission Microscopy Techniques

Published on: July 2, 2018

8.5K
Magnetic Adjustment of Afterload in Engineered Heart Tissues
09:40

Magnetic Adjustment of Afterload in Engineered Heart Tissues

Published on: May 5, 2020

5.3K

科学分野:

  • 材料科学 材料科学とは
  • 凝縮物質物理学 凝縮物質物理学
  • ナノテクノロジー ナノテクノロジー

背景:

  • より高いデータストレージ密度に対する需要の増加は,新しい磁気媒体を必要とします.
  • 現在の磁気貯蔵技術は,密度と安定性の限界に直面しています.

研究 の 目的:

  • エンジニアリングされたスピン構成を持つ新しいタイプの磁気媒体を導入する.
  • 正規のインプレーンとアウトプレーンスピンアレンジメントを定義する方法を実証する.
  • 先進的な磁気媒体の表面平面性と物質均一性を維持するために.

主な方法:

  • 化学的に均質な磁気フィルム内のエンジニアリングスピン構成.
  • 特定のスピン配列を定義するために磁性アニソトロピーを変化させる.
  • シンプルで簡単に統合可能な製造技術を使用しています.

主要な成果:

  • 定期的に配置されたイン・プレーンとアウト・プレーンスピン構成を成功裏に作成しました.
  • 磁気フィルムの表面平面性を維持しました.
  • 磁気材料の化学的均一性が保たれた.

結論:

  • 開発されたスピンエンジニアリングメディアは,次世代のデータストレージのための有望なアプローチを提供します.
  • このメソッドのシンプルさと統合の容易さは,迅速な適用可能性を示唆しています.
  • このテクニックは,磁気媒体でのデータ保存密度の増加の必要性を解決します.