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Related papers: Hidden magnetic order in CuNCN

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We report on the unexpected uniform spin chain physics in CuNCN, the insulating nitride analog of copper oxides. Based on full-potential band structure calculations, we derive the relevant microscopic parameters, estimate individual…

Strongly Correlated Electrons · Physics 2013-05-29 Alexander A. Tsirlin , Helge Rosner

The results of ac and dc magnetization and heat capacity measurements as a function of temperature (T = 1.8 to 300 K) are reported for a quasi-one-dimensional compound, Ca$_3$CuMnO$_6$, crystallizing in a triclinically distorted…

Strongly Correlated Electrons · Physics 2009-11-10 Kausik Sengupta , S. Rayaprol , K. K. Iyer , E. V. Sampathkumaran

We present the results of a muon-spin relaxation (muSR) investigation into magnetic ordering in several families of layered quasi-two-dimensional molecular antiferromagnets based on transition metal ions such as S=1/2 Cu2+ bridged with…

The magnetic response of CaK(Fe$_{0.949}$Ni$_{0.051}$)$_4$As$_4$ was investigated by means of the muon-spin rotation/relaxation. The long-range commensurate magnetic order sets in below the N\'{e}el temperature $T_{\rm N}= 50.0(5)$~K. The…

We present neutron diffraction, muon spin rotation and pulsed-field magnetometry measurements on the Heisenberg quantum chiral chain [Cu(pym)(H2O)4]SiF6.H2O, which displays a four-fold-periodic rotation of the local environment around the…

We present the first evidence of magnetic order in the quasi-one-dimensional spin 1/2 molecular chain compound, copper pyrazine dinitrate Cu(C4H4N2)(NO3)2}. Zero field muon-spin relaxation measurements made at dilution refrigerator…

Strongly Correlated Electrons · Physics 2007-11-14 T. Lancaster , S. J. Blundell , M. L. Brooks , P. J. Baker , F. L. Pratt , J. L. Manson , C. P. Landee , C. Baines

By means of muon spin rotation and relaxation ($\mu^+$SR) techniques, we have investigated the magnetism of quasi one-dimensional (1D) cobalt oxides $AE_{n+2}$Co$_{n+1}$O$_{3n+3}$ ($AE$=Ca, Sr and Ba, $n$=1, 2, 3, 5 and $\infty$), in which…

Strongly Correlated Electrons · Physics 2009-11-11 J. Sugiyama , H. Nozaki , J. H. Brewer , E. J. Ansaldo , T. Takami , H. Ikuta , U. Mizutani

Magnetic properties of a quasi one-dimensional magnet CuV_2O_6 have been studied by means of susceptibility measurement, NMR and powder neutron diffraction. Cu^{2+} spins (S=1/2) order antiferromagnetically below 22.6 K, and the saturation…

Strongly Correlated Electrons · Physics 2009-10-31 Jun Kikuchi , Kazuhiro Ishiguchi , Kiyoichiro Motoya , Masayuki Itoh , Kazunori Inari , Naotoshi Eguchi , Jun Akimitsu

Elastic and inelastic neutron scattering were used to study the ordered phase of the quasi-one-dimensional spin-1/2 antiferromagnet ${\rm BaCu_{2}Si_{2}O_{7}}$. The previously proposed model for the low-temperature magnetic structure was…

Strongly Correlated Electrons · Physics 2016-08-15 M. Kenzelmann , A. Zheludev , S. Raymond , E. Ressouche , T. Masuda , P. Böni , K. Kakurai , I. Tsukada , K. Uchinokura , R. Coldea

We have investigated the magnetic properties of CuNCN, the first nitrogen-based analogue of cupric oxide, CuO. Our muon spin relaxation, nuclear magnetic resonance and electron spin resonance studies reveal that classical magnetic ordering…

Strongly Correlated Electrons · Physics 2011-07-26 A. Zorko , P. Jeglič , A. Potočnik , D. Arčon , A. Balčytis , Z. Jagličić , X. Liu , A. L. Tchougréeff , R. Dronskowski

We report the results of ac and dc magnetization (M) and heat-capacity (C) measurements on the solid solution, Sr$_3$Cu$_{1-x}$Zn$_x$IrO$_6$. While the Zn end member is known to form in a rhombohedral pseudo one-dimensional K$_4$CdCl$_6$…

Strongly Correlated Electrons · Physics 2009-11-07 Asad Niazi , E. V. Sampathkumaran , P. L. Paulose , D. Eckert , A. Handstein , K. -H. Müller

We study the effects of Cu substitution in Fe1.1Te, the non-superconducting parent compound of the iron-based superconductor, Fe1+yTe1-xSex, utilizing neutron scattering techniques. It is found that the structural and magnetic transitions,…

We report low temperature muon spin relaxation (muSR) measurements of the high-transition-temperature (Tc) cuprate superconductors Bi{2+x}Sr{2-x}CaCu2O{8+\delta} and YBa2Cu3O6.57, aimed at detecting the mysterious intra-unit cell (IUC)…

Superconductivity · Physics 2016-10-26 A. Pal , K. Akintola , M. Potma , M. Ishikado , H. Eisaki , W. N. Hardy , D. A. Bonn , R. Liang , J. E. Sonier

We report muon spin rotation measurements of the local magnetic susceptibility around a positive muon in the paramagnetic state of the quasi one-dimensional spin 1/2 antiferromagnet KCuF$_3$. Signals from two distinct sites are resolved…

Strongly Correlated Electrons · Physics 2009-11-07 J. Chakhalian , R. F. Kiefl , R. Miller , S. R. Dunsiger , G. Morris , S. Kreitzman , S. Kreitzman , J. Sonier , S. Eggert , I. Affleck , I. Yamada

Copper carbodiimide, CuNCN, is a geometrically frustrated nitrogen-based analogue of cupric oxide, whose magnetism remains ambiguous. Here, we employ a combination of local-probe techniques, including $^{63,\, 65}$Cu nuclear quadrupole…

Strongly Correlated Electrons · Physics 2018-07-03 A. Zorko , P. Jeglič , M. Pregelj , D. Arčon , H. Luetkens , A. L. Tchougréeff , R. Dronskowski

We present the magnetic phase diagram of a spin-1/2 chain antiferromagnet Sr$_2$CuO$_3$ studied by ultrasound phase-sensitive detection technique. We observe an enhanced effect of external magnetic field on the ordering temperature of the…

Strongly Correlated Electrons · Physics 2020-05-20 E. G. Sergeicheva , S. S. Sosin , D. I. Gorbunov , S. Zherlitsyn , G. Gu , I. Zaliznyak

Muon spin rotation technique is used to study magnetic ordering in ultra-pure samples of SrCu$_{1-x}$Ni$_x$O$_2$, an archetypical $S=1/2$ antiferromagnetic Heisenberg chain system with a small amount of $S=1$ defects. The ordered state in…

Strongly Correlated Electrons · Physics 2016-06-23 G. Simutis , M. Thede , R. Saint-Martin , A. Mohan , C. Baines , Z. Guguchia , R. Khasanov , C. Hess , A. Revcolevschi , B. Buchner , A. Zheludev

We report a quasi-one-dimensional S = 1 spin chain compound BaNiTe2O7. This magnetic system has been investigated by magnetic susceptibility, specific heat, and neutron powder diffraction. These results indicate that BaNiTe2O7 develops a…

The low temperature state of CeRu2Al10 has been studied by neutron powder diffraction and muon spin relaxation (muSR). By combining both techniques, we prove that the transition occurring below T*~27K, which has been the subject of…

We present the results of muon-spin relaxation ($\mu^{+}$SR) measurements on antiferromagnetic and ferromagnetic spin chains. In antiferromagnetic CuF$_{2}$(pyz) we identify a transition to long range magnetic order taking place at…

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