Magnetic resonance in Kazan and in Oxford

Abstract

A general survey is given of magnetic resonance measurements in Kazan and in Oxford, starting with the first experiments of Zavoisky, and ending with contemporary research. In addition to electron paramagnetic resonance, relevant aspects of nuclear magnetic resonance and enhanced nuclear magnetic resonance are included.

Alternatives to Gadolinium-Based Metal Chelates for Magnetic Resonance Imaging

“…G 2i ) sin 2 θ cos 2φ (7) According to Bleaney's theory, 31 the second-order crystal field parameters are proportional to the anisotropic (axial and rhombic) components (χ ax and χ rh ) of the magnetic susceptibility tensor, so the magnitude of the pseudocontact shift can be expressed as in eq 9.…”

Cryomagnetism and Magnetic Resonance in Oxford Physics

“…However, an extensive hyperfine structure was observed, (20), which confirmed the concept of "core polarization". This has proved to be present for all paramagnetic ions; it is more important for d-electrons than for 4f-electrons, and is generally larger in ions than in the parent atoms (see (21), Table 1). …”

“…Normal to the tetragonal axis, the nuclear resonance frequency of the single stable isotope I65 Ho (I = 7/2) was increased to 1,500 MHz T 1 from its normal value of 10 MHz T" 1 (37). These "nuclear lambs in electronic wolves' clothing" were investigated by both enhanced nuclear magnetic and acoustic resonance (38), and by nuclear orientation. As predicted from the NMR …”

“…Some useful supplementary surveys of special topics in magnetic resonance have been published in recent years (38), (62). A comprehensive account of electric field effects has been given by W.B.…”

19F VT NMR: Novel Tm3+ and Ce3+ Complexes Provide New Insight into Temperature Measurement Using Molecular Sensors

“…For kinetically stable complexes in homogenous solutions, the temperature dependence of the lanthanoid‐induced shifts (LIS) can be approximated by a linear anamorphosis of the reverse temperature, although it is described by Bleaney that the Fermi contact (FC) contributions to LIS are proportional to Curie's law (T −1 ) [16b] . Furthermore, there is a proportionality between the pseudocontact (PC) contributions and T −2 .…”