Spin-triplet Superconductivity
Spin-triplet Superconductivity - Related Videos
10:26
Fabrication and Characterization of Superconducting Resonators
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Cited by 3 •
2016
Superconducting microwave resonators are of interest for detection of light, quantum computing applications and materials characterization. This work presents a detailed procedure for fabrication and characterization of superconducting microwave resonator scattering parameters.
01:08
Spin–Spin Coupling Constant: Overview
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2024
In bromoethane, the three methyl protons are coupled to the two methylene protons that are three bonds away. In accordance with the n+1 rule, the signal from the methyl protons is split into three peaks with 1:2:1 relative intensities. The methylene protons appear as a quartet, with the relative intensities of 1:3:3:1. Qualitatively, any spin plus-half nucleus polarizes the spins of its electrons to the minus-half state. Consequently, the paired electron in the hydrogen–carbon bond must have a...
08:36
Triplet Fusion Upconversion Nanocapsule Synthesis
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Cited by 2 •
2022
This protocol details the synthesis of upconversion nanocapsules for subsequent use in photopolymerizable resins for triplet fusion upconversion-facilitated volumetric 3D printing.
01:08
NMR Spectroscopy: Spin–Spin Coupling
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2024
The spin state of an NMR-active nucleus can have a slight effect on its immediate electronic environment. This effect propagates through the intervening bonds and affects the electronic environments of NMR-active nuclei up to three bonds away; occasionally, even farther. This phenomenon is called spin–spin coupling or J-coupling. Coupling interactions are mutual and result in small changes in the absorption frequencies of both nuclei involved. While nuclei of the same element are involved in...
01:17
Spin–Spin Coupling: One-Bond Coupling
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2024
Coupling interactions are strongest between NMR-active nuclei bonded to each other, where spin information can be transmitted directly through the pair of bonding electrons. While nuclei polarize their electrons to the opposite spins, the bonding electron pair has opposite spins. Configurations with antiparallel nuclear spins are expected to be lower in energy. When coupling makes antiparallel states more favorable, J is considered to have a positive value. The one-bond coupling constant, 1J,...
FAQs
The d-vector does more than label the spin state: it specifies how the superconducting order depends on spin direction and momentum. Because the state is odd-parity and anisotropic, its pairing properties can vary with direction in the crystal. This directional structure helps explain why equal-spin pairs and unusual magnetic-field responses can occur.
Unlike a conventional opposite-spin singlet, a triplet state can accommodate paired electrons whose spins align. That distinction changes how the condensate relates to an applied magnetic field, since the spin configuration is not restricted to the singlet arrangement. Comparing these spin structures is therefore central when interpreting unconventional superconductivity in candidate materials.
Strong electronic correlations, magnetic order, and complex crystal structures are important contexts for candidate compounds. These features do not by themselves establish a triplet state, but they identify materials in which the pairing interaction may produce the required odd-parity, anisotropic order. Chemistry therefore connects composition and structure with possible electronic phases.
Composition and bonding matter because they help determine the electronic phases available to a material. In chemically complex crystals, changes in constituent elements or bonding arrangements may alter the setting in which electronic correlations, magnetic order, and pairing interactions occur. Studying these relationships connects microscopic material design with candidate triplet superconducting behavior.
A chemistry-focused investigation treats a compound’s composition, bonding, electronic correlations, magnetic order, and crystal structure as connected variables. The goal is not merely to observe superconductivity, but to determine whether the material’s pairing interaction is consistent with an odd-parity, anisotropic state. This approach helps explain why particular compounds support unusual superconducting behavior.
In materials research, spin-triplet states are relevant because they may support controllable spin transport, topological states, and quantum technologies. Their unusual responses to magnetic fields also make them useful for understanding how superconductivity interacts with spin and material structure. These possibilities connect fundamental studies of candidate compounds with efforts to control complex electronic phases.