File:Chemical shielding.png
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Summary
The external magnetic field B_ext induces currents in the electrons in atoms. These currents in turn induce an opposing magnetic field B_in, reducing the magnetic field at the position of the nucleus, effectively shielding the nucleus from B_ext.
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:00, 27 February 2025 | ![]() | 1,128 × 1,094 (532 KB) | Csheldon (talk | contribs) | Corrected the current to flow anticlockwise about the N atom |
07:55, 27 February 2025 | ![]() | 1,128 × 1,094 (532 KB) | Csheldon (talk | contribs) | Added more arrows to show that B_in is opposed to B_ext near the nucleus | |
16:58, 26 February 2025 | ![]() | 1,128 × 1,094 (533 KB) | Csheldon (talk | contribs) | Added lighter colour to show inside of atom | |
16:48, 26 February 2025 | ![]() | 1,122 × 1,182 (573 KB) | Csheldon (talk | contribs) | The external magnetic field B_ext induces currents in the electrons in atoms. These currents in turn induce an opposing magnetic field B_in, reducing the magnetic field at the position of the nucleus, effectively shielding the nucleus from B_ext. |
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