Bismuth Diamagnetism
Bismuth Diamagnetism - Related Videos
01:26
Diamagnetism
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2023
Materials consisting of paired electrons have zero net magnetic moments. However, when these materials are placed under an external magnetic field, the moments opposite to the field are induced. Such materials are called diamagnets. Diamagnetism is the response of the diamagnets when placed in an external magnetic field. Diamagnetism was discovered by Anton Brugmans in 1778 when he observed that bismuth gets repelled by magnetic fields, thus theorizing that diamagnets get repelled by magnets.
08:58
Seedless Growth of Bismuth Nanowire Array via Vacuum Thermal Evaporation
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Cited by 1 •
2015
A protocol for seedless and high yield growth of bismuth nanowire arrays through vacuum thermal evaporation technique is presented.
01:14
Diamagnetic Shielding of Nuclei: Local Diamagnetic Current
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2024
An applied magnetic field causes the electrons present in the molecule to circulate, setting up a local diamagnetic current within the molecule. The local diamagnetic current arising from circulating sigma-bonding electrons induces a magnetic field, Blocal that opposes the applied magnetic field, B0. The effective magnetic field experienced by these nuclei is given by the difference between the applied and local magnetic fields in a phenomenon called local diamagnetic shielding. Essentially,...
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Intraoperative Strategy under Complex Vascular Adhesion for Laparoscopic Radical Resection of Bismuth-Corlette Type IIIb Perihilar Cholangiocarcinoma
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2026
The protocol presents a step-by-step laparoscopic protocol for radical resection of Bismuth-Corlette type IIIb perihilar cholangiocarcinoma. The procedure integrates preoperative PTCD, complex vascular dissection and repair, and biliary reconstruction for application in high-volume hepatobiliary centers.
10:19
Solution-Processed "Silver-Bismuth-Iodine" Ternary Thin Films for Lead-Free Photovoltaic Absorbers
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Cited by 3 •
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Herein, we present detailed protocols for solution-processed silver-bismuth-iodine (Ag-Bi-I) ternary semiconductor thin films fabricated on TiO2-coated transparent electrodes and their potential application as air-stable and lead-free optoelectronic devices.
FAQs
When an applied field changes the motion of electrons in bismuth, their orbital currents acquire a magnetic moment directed opposite to the field. This opposition gives the material a negative magnetic susceptibility, a quantity that describes how strongly magnetization responds to an applied field. The microscopic electron motion therefore provides the basis for the observable macroscopic response.
Crystal orientation and sample geometry can influence the measured magnetic response, so an observed result does not automatically represent intrinsic bismuth behavior alone. The orientation of the crystal and the shape of the sample must therefore be considered when interpreting susceptibility or repulsive-force measurements. Accounting for these factors helps separate material properties from experimental influences.
Field strength is one of the conditions that governs the observed effect. Varying it can change the magnetic response and the repulsive force detected in an experiment, allowing investigators to examine how the material behaves under different applied fields. Comparing measurements across field strengths also helps assess whether an observation reflects the material or influences associated with the experimental setup.
A useful measurement requires careful attention to the applied field, sample geometry, and crystal orientation. Researchers can then examine the induced response, including the measurable repulsive force, while considering how each condition may affect the result. This procedure helps distinguish intrinsic behavior of the bismuth from influences introduced by the experimental arrangement.
The repulsive force generated in an applied magnetic field can support demonstrations of magnetic levitation. Such demonstrations translate a weak magnetic interaction into a visible macroscopic outcome, making the relationship between electron motion and bulk magnetic behavior easier to study. Because field strength, geometry, and crystal orientation affect the response, the setup must account for those variables when interpreting levitation.
It links several levels of physical description: altered electron motion creates orbital currents, those currents produce a magnetic moment opposite the applied field, and the material exhibits negative magnetic susceptibility and a repulsive force. This connection makes bismuth useful for studying weak magnetic interactions while relating microscopic mechanisms to measurable macroscopic phenomena.