R. orbach proc. r. soc. 264 1961 458–484

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August undefined, 2024

WebBY R. ORBACHtj Clarendon Laboratory, University of Oxford (Communicated by B. Bleaney, F.R.S.-Received 16 March 1961-Revised 26 May 1961) A general approach to spin-lattice … WebSep 7, 2011 · 9 R. Orbach, Spin–lattice ... London, Ser. A, 1961, 264, 458–484 and references therein. 10 In lanthanide chemistry, the ... Both strong SOC and large CF splitting lead to the largest energy ...

5 - Nuclear Magnetic Resonance and Relaxation

WebJan 1, 2005 · 'Excitation transfer in disordered systems' published in 'Laser Spectroscopy of Solids' WebThe field dependence of the two phonon process is computed taking into account hyperfine and dipolar fields. The general Gorter-Van Vleck-Hebel-Slichter (G.V.H.S.) formalism is adapted to the rare-earth ions, the effective Hamiltonian techniques of … asgardian bulls

Spin-Lattice Relaxation in Cerium Magnesium Nitrate at Liquid …

WebThe persistence of a magnetically-split spectrum to well above T N = 5.8 K is consistent with Orbach type paramagnetic relaxation that proceeds via the third excited crystal field level. … WebC B P Finn 1, R Orbach 1 and W P Wolf 1. Published under licence by IOP Publishing Ltd Proceedings of the Physical Society, Volume 77, Number 2 Citation C B P Finn et al 1961 Proc. Phys. Soc. 77 261 DOI 10.1088/0370-1328/77/2/305. Download Article PDF. This article is corrected by 1961 Proc. Phys. Soc. 77 1223. Figures. Skip to each figure in ... asgardian bodvar

(PDF) Spin-Phonon Relaxation in Molecular Qubits from

SPIN-LATTICE RELAXATION IN PHOSPHORESCENT TRIPLET …

WebSep 27, 2024 · The spin-phonon interaction, responsible for the energy exchange between the spins and the lattice, is generally assumed to operate in the weak coupling regime and at the first-order level of approximation. Thus, the spin-phonon coupling Hamiltonian is written as. ˆHsph = ∑ αq ( ∂ˆHs ∂Qαq)ˆQαq. WebJan 1, 1980 · The process is analogous to the one proposed by R. Orbach (Proc. R. Soc. A. (Lond.). 264:458–484) for rare earth ions. The spin-spin interactions are, in general, … asgardianerWebFor 1 with Δ / k B = 35 K (25 cm −1), the prefactors of the T 11 and T 13 terms amount to only 0.15 K −2 and 2.2 × 10 −3 K −4, respectively, indeed indicating an expected dominant … asgardian galdr ao3

"WebMagnetic properties Direct-current (dc) magnetic susceptibilities were investigated for 1–3 under a 1 kOe applied field from 2 to 300 K ().The room-temperature χ M T value of 14.1 cm 3 K mol −1 for 1 is close to the expected value of 14.17 cm 3 K mol −1 for the Dy III single ion. The χ M T values of 13.3 cm 3 K mol −1 and 13.1 cm 3 K mol −1 for 2 and 3 are … " - R. orbach proc. r. soc. 264 1961 458–484

R. orbach proc. r. soc. 264 1961 458–484

SPIN-LATTICE RELAXATION IN PHOSPHORESCENT TRIPLET …

WebThe magnitude of the spin-phonon coupling coefficients indeed sets the rate of both the Orbach and the direct relaxation mechanisms 10,19 and the rationalization of their … WebMay 25, 2011 · R. de L. Kronig, Physica (Amsterdam) 6, 33 (1939) Article ADS MATH Google Scholar J.H. Van Vleck, Phys. Rev. 57, 426 (1940) Article ADS Google Scholar R. Orbach, Proc. R. Soc. A 264, 458 (1961) Article ADS Google Scholar

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WebIron(III) and iron(II) complexes of 1-thia-4,7-diazacyclononane ([9]aneN 2 S) and 1,4-dithia-7-azacyclononane ([9]aneNS 2).X-Ray structural analyses, magnetic susceptibility, … WebAug 14, 1998 · Composites of trans‐polyacetylene (t‐(CH) x) and low density polyethylene (LDPE) have been studied by Electron Nuclear Double Resonance (ENDOR), Electron Nuclear Nuclear Triple Resonance (TRIPLE), and Electron Spin Echo (ESE) spectroscopies. The results are compared with analogous studies conducted on pure t‐(CH) x films and on …

WebNov 27, 2015 · a Artist view of the single-molecule magnet spin-transistor. The ligands of the TbPc \(_2\) are tunnel coupled to the source and drain thus creating a quantum dot, which can be controlled by a back gate (not shown) underneath. In the center of the molecule is a Tb \(^{3+}\) ion possessing an electronic spin (orange) and a nuclear spin … WebManenkov and Orbach, 1966 and Abragam and Bleaney, 1970). In these systems the SLR is caused by the modulation of the crystal field under the action of the lattice vibrations. This produces a fluctuating electric field which in-fluences the electron spin via the spin-orbit coupling and thus induces transitions between the electron spin levels.

WebMirzoyan R, Kazmierczak N and Hadt R (2024) Deconvolving Contributions to Decoherence in Molecular Electron Spin Qubits: A Dynamic Ligand Field Approach, Chemistry – A … WebFeb 8, 2024 · Recent studies have shown that mononuclear lanthanide (Ln) complexes can be high-performing single-molecule magnets (SMMs). Recently, there has been an influx …

WebApr 28, 2000 · The spin-lattice relaxation rate in iron garnets containing ions of the rare-earth series features a peak in the temperature range from 30 to 100 K that is consistent throughout the group. This effect is important in microwave applications at liquid nitrogen temperatures because magnetic losses increase directly with the intrinsic ferrimagnetic …

WebFeb 3, 2024 · Orbach, R., Spin-lattice relaxation in rare-earth salts, Proc. R. Soc. A 264 (1961) 458 – 484.Google Scholar [18] Orbach, R., Spin-lattice relaxation in rare-earth salts: field … asgardian galdrWebBY R. ORBACHtj Clarendon Laboratory, University of Oxford (Communicated by B. Bleaney, F.R.S.-Received 16 March 1961-Revised 26 May 1961) A general approach to spin-lattice relaxation is given for salts to which a crystalline field theory is appropriate. In particular, the theory of Elliott & Stevens for the interaction of asgardian calendarWebOct 1, 2024 · In the temperature range 140–370 K the relaxation time T 1 is determined by the Orbach process (3) T 1 − 1 = A (exp (δ k B T) − 1) − 1 where: T is the temperature, k B is the Boltzman constant, parameter δ (cm –1) represents the energy splitting between the ground paramagnetic centres state and the first excited state, whereas A is a constant … asgardian burialWebFeb 19, 2024 · Download Citation Modulation of the magnetic anisotropy of octahedral cobalt(II) single-ion magnets by a fine-tuning of axial coordination microenvironment Two mononuclear cobalt(II) complexes ... asgardian bridgeWebDec 17, 2015 · A new method for determining the dynamic crystalline field parameters is presented. These parameters are expressed as a function of the effective charge of the diamagnetic molecules surrounding the rare-earth ion. The effective charge is determined from the splitting of the ground state term of the paramagnetic ion in the crystalline field. … asgardian gamingWebIt should be noted that the obtained Δ Orbach value was consistent with the expected spin-reversal barrier for 3 (U = 2 D = 60 cm −1). Thus, slow magnetic relaxation was observed … asgardian gearWebFeb 3, 2024 · Orbach, R., Spin-lattice relaxation in rare-earth salts, Proc. R. Soc. A 264 (1961) 458 – 484. [40] Orbach, R., Spin-lattice relaxation in rare-earth salts: field dependence of … asgardian gaudr ao3