Field-dependent spin chirality and frustration in and nanomagnets in transverse magnetic field. 2. Spin configurations, chirality and intermediate spin magnetization in distorted trimers

Frustration and quantum entanglement in odd-membered ring-shaped chromium nanomagnets

“…So far, a number of frustrated molecules have been investigated [9][10][11][12][13][14][15][16]. However, the recently synthesized family of nine-membered chromium rings [17,18] seems to be especially fit for testing the frustration-entanglement relation because it includes relatively large rings that can be exactly modeled and which exhibit various types of frustration.…”

First Demonstration of Magnetoelectric Coupling in a Polynuclear Molecular Nanomagnet: Single‐Crystal EPR Studies of [Fe3O(O2CPh)6(py)3]ClO4⋅py under Static Electric Fields

“…For lower magnetic symmetries (DJ = JÀJ' ¼ 6 0) this is an allowed EPR transition even for E 0 ? = 0, and Belinsky shows [28] that the increase of DJ would increasei ts intensity.A bi nitio calculations by Islam et al [14] on an equilateral Cu II 3 polyoxovanadate have indicated that af ield E 0 ? z of ca.…”

“…[24] Theoretical models have been proposed to account for the effects of static electric fields on the EPR spectra of trianglese xperiencing DMI. Detailed such models have been developed for triangles of S i = 1/2 spins [8,27,28] andh ave been briefly touched upon for triangles of S i = 3/2 spins, [29] but none have been explicitly workedo ut for S i = 5/2 triangles. Loss and co-workers [8] have worked out the Stark effect on the frequencies and intensitieso fE PR resonances of equilateral triangles (J 12 = J 23 = J 13 = J)f or E 0 ?…”

“…z,a nd in two Zeemano rientations B 0 k z and B 0 ? z. Belinsky [27,28] has workedo ut the influence of an E 0 ? z field on equilateral, isosceles (J 12 = J 23 = J ¼ 6 J 23 = J')a nd scalene (J 12 ¼ 6 J 23 ¼ 6 J 13 ¼ 6 J 12 )t riangles, and hasg iven ad etailed description of the relations between vectorc hirality b K,t he scalar chirality b C,t he spin configurations and magnetizations in all those cases.…”

“…For G z = 0t he system is achiral (c = k = 0), while for an equilateral system (J = J')t he states possess no S 12 character. [28] Focusing on the ground j c, M s i doublet of an equilateral triangle,L oss and co-workers [8] have calculated the effect of an electric field E 0 ? z on the intensity of the intradoublet j À 1 = 2 , + 1i$ j + 1 = 2 , À1i EPR transition as proportionalt o[Eq.…”