中文
相关论文

相关论文: Glassy magnetic behavior induced by $Cu^{2+}$ subs…

200 篇论文

ac susceptibility has been studied for polycrystalline Zn$_{1-x}$Mn$_x$O. Stoichiometric samples demonstrate Curie-Weiss behavior, which indicates mostly antiferromagnetic interactions. Magnetic susceptibility can be described by a diluted…

材料科学 · 物理学 2007-05-23 S. Kolesnik , B. Dabrowski , J. Mais

The temperature dependent ac and dc magnetization and heat capacity data of Ca$_3$CoIrO$_6$, a spin-chain compound crystallizing in a K$_4$CdCl$_6$-derived rhombohedral structure, show the features due to magnetic ordering of a…

强关联电子 · 物理学 2009-11-10 S. Rayaprol , Kausik Sengupta , E. V. Sampathkumaran

We report the results of ac and dc magnetic susceptibility and isothermal magnetization measurements (T= 2-300 K) on the single crystals of a metallic kagome lattice, Tb3Ru4Al12, reported recently to undergo reentrant magnetism with the…

强关联电子 · 物理学 2019-02-13 E. V. Sampathkumaran , Kartik K Iyer , Sanjay K Upadhyay , A. V. Andreev

Both DC and AC magnetization measurements were performed on the NdFeAsO0.88F0.12 superconductor to investigate the influence of magnetism on the superconducting properties of this system. The crossover of the ZFC and FC magnetic…

超导电性 · 物理学 2010-04-01 Y. Ding , Y. Sun , X. D. Wang , H. C. Wang , Z. X. Shi , Z. A. Ren , J. Yang , W. Lu

We report comprehensive studies of the crystallographic,magnetic, and thermal properties of a spinel-type magnetically frustrated compound, CoAl2O4, and a magnetically diluted system,Co1-xZnxAl2O4. These studies revealed the effects of…

Magnetic excitations in CuCrO$_{2}$, CuCr$_{0.97}$Mg$_{0.03}$O$_{2}$, Cu$_{0.85}$Ag$_{0.15}$CrO$_{2}$, and CuCr$_{0.85}$Al$_{0.15}$O$_{2}$ have been studied by powder inelastic neutron scattering to elucidate the element substitution…

强关联电子 · 物理学 2013-04-08 R. Kajimoto , K. Nakajima , S. Ohira-Kawamura , Y. Inamura , K. Kakurai , T. Hokazono , S. Oozono , T. Okuda

The magnetic behavior of single-crystal Ho$_2$PdSi$_3$, crystallizing in an AlB$_2$-derived hexagonal structure, is investigated by magnetic susceptibility ($\chi$) and electrical resistivity ($\rho$) measurements along two directions.…

强关联电子 · 物理学 2009-11-07 E. V. Sampathkumaran , H. Bitterlich , K. K. Iyer , W. Löser , G. Behr

One challenge in condensed-matter physics is to unravel the interplay between magnetism and superconductivity in copper oxides with a high critical temperature (Tc). Kang et al. claim to have revealed a quantum phase transition from the…

凝聚态物理 · 物理学 2007-05-23 P. K. Mang , S. Larochelle , M. Greven

We present results of dc magnetization and magnetic relaxation study showing the kinetic arrest of a first order ferromagnetic to antiferromagnetic transition in Ce(Fe$_{0.96}$Ru$_{0.04}$)$_2$. This leads to the formation of a non-ergodic…

材料科学 · 物理学 2009-11-11 M. K. Chattopadhyay , S. B. Roy , P. Chaddah

A quasi one-dimensional compound, Ca3CuRuO6, has been synthesized by solid-state reaction method and studied using magnetization (M) and heat capacity (C) measurements. This compound undergoes magnetic ordering (T_o) around 40 K, as…

强关联电子 · 物理学 2016-08-31 S. Rayaprol , E. V. Sampathkumaran

We report the structural, static, and dynamic properties of Cr$_{0.5}$Fe$_{0.5}$Ga by means of powder x-ray diffraction, magnetization, heat capacity, magnetic relaxation, and magnetic memory effect measurements. DC magnetization and AC…

材料科学 · 物理学 2018-11-14 Pallab Bag , P. R. Baral , R. Nath

The magnetic ground state of the ferromagnetic shape memory alloy of nominal composition Cu$_{2.84}$Mn$_{0.44}$Al$_{0.72}$ was investigated. The sample shows reentry of a glassy magnetic phase below the martensitic transition temperature,…

强关联电子 · 物理学 2015-06-16 S. Chatterjee , S. Chattopadhyay , S. Giri , S. Majumdar

We report the results of magnetic measurements for the solid solution Ce$_2$Au$_{1-x}$Co$_x$Si$_3$. The results reveal that this solid solution is characterized by a magnetic phase diagram (plot of magnetic transition temperature versus…

We present extensive magnetic measurements of the (Ca_xLa_{1-x})(Ba_{1.75-x}La_{0.25+x})Cu_{3}O_{y} (CLBLCO) system with its four different families (x) having a Tc^max(x) variation of 28% and minimal structural changes. For each family we…

超导电性 · 物理学 2009-11-11 Rinat Ofer , Galina Bazalitsky , Amit Kanigel , Amit Keren , Assa Auerbach , James S. Lord , Alex Amato

We report the bulk magnetic properties of a yet unexplored vanadium-based multivalued spinel system, Zn3V3O8. A Curie-Weiss fit of our dc magnetic susceptibility data in the temperature region from 140 to 300 K yields a Curie constant C =…

强关联电子 · 物理学 2015-06-22 Tanmoy Chakrabarty , Avinash V. Mahajan , Susanta Kundu

The unusual anisotropy of the spin glass transition in the pseudobrookite system Fe$_2$TiO$_5$ has been interpreted as arising from an induced, van der Waals-like, interaction among magnetic clusters. Here we present susceptibility ($\chi$)…

无序系统与神经网络 · 物理学 2022-07-14 Y. Li , D. Phelan , F. Ye , H. Zheng , E. Krivyakina , A. Samarakoon , P. G. LaBarre , J. Neu , T. Siegrist , S. Rosenkranz , S. V. Syzranov , A. P. Ramirez

We report temperature dependent ac susceptibility ($\chi$) measurements on a high quality single crystal of Tb$_2$PdSi$_3$, crystallizing in a AlB$_2$-derived hexagonal structure. This compound is found to exhibit features attributable to…

强关联电子 · 物理学 2007-05-23 P. L. Paulose , E. V. Sampathkumaran , H. Bitterlich , G. Behr , W. Loser

We report magnetic properties of a 3d$^9$ (Cu$^{2+}$) magnetic insulator Cu2OSO4 measured on both powder and single crystal. The magnetic atoms of this compound form layers, whose geometry can be described either as a system of chains…

Magnetic properties of the antiferromagnet Zn$_{0.15}$Cu$_{1.85}$V$_2$O$_7$ (ZnCVO) have been thoroughly investigated on powder and single-crystal samples. The crystal structure determination using powder x-ray and neutron diffraction…

We report effects of local magnetic moment, Gd3+, doping (x =< 0.3) on superconducting and magnetic properties of the closely related Lu(1-x)GdxNi2B2C and Y(1-x)GdxNi2B2C series. The superconducting transition temperature decreases and the…

超导电性 · 物理学 2015-05-19 S. L. Bud'ko , V. G. Kogan , H. Hodovanets , S. Ran , S. A. Moser , M. J. Lampe , P. C. Canfield