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Related papers: Random singlet state in Ba$_5$CuIr$_3$O$_{12}$ sin…

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We report spin wave and DMRG studies of the ground and low-lying excited states of uniform and dimerized alternating spin chains. The DMRG procedure is also employed to obtain low-temperature thermodynamic properties of the system. The…

Condensed Matter · Physics 2016-08-31 Swapan K. Pati , S. Ramasesha , Diptiman Sen

We present an interpretation of zero field diffuse neutron scattering and of high field magnetisation data at very low temperature in the frustrated pyrochlore system Tb2Ti2O7. This material has antiferromagnetic exchange interactions and…

Strongly Correlated Electrons · Physics 2013-12-16 P. Bonville , A. Gukasov , I. Mirebeau , S. Petit

The rare-earth intermetallic compound Ho$_5$Sn$_3$ demonstrates fascinating magnetic properties which include temperature-driven multiple magnetic transitions and field driven metamagnetism. We address the magnetic character of this…

Strongly Correlated Electrons · Physics 2021-12-15 Suman Mondal , Pushpendra Yadav , Anan Bari Sarkar , Prabir Dutta , Saurav Giri , Amit Agarwal , Subham Majumdar

The breathing pyrochlore lattice material Ba$_3$Yb$_2$Zn$_5$O$_{11}$ exists in the nearly decoupled limit, in contrast to most other well-studied breathing pyrochlore compounds. As a result, it constitutes a useful platform to benchmark…

We have thoroughly investigated the entire magnetic states of under doped ferromagnetic insulating manganite Nd0.8Sr0.2MnO3 through temperature dependent linear and non linear complex ac magnetic susceptibility measurements. This…

Strongly Correlated Electrons · Physics 2015-05-19 S. Kundu , T. K. Nath

The layered triangular lattice owing to $1:2$ order of $B$ and $B'$ sites in the triple perovskite $A_3 B B'_2$O$_9$ family provides an enticing domain for exploring the complex phenomena of quantum spin liquids (QSLs). We report a…

Strongly Correlated Electrons · Physics 2024-08-07 K. Bhattacharya , S. Mohanty , A. D. Hillier , M. T. F. Telling , R. Nath , M. Majumder

Neutron diffraction, magnetization, resistivity, and heat capacity measurements on the 6H-perovskite Ba3BiRu2O9 reveal simultaneous magnetic and structural dimerization driven by strong magnetoelastic coupling. An isostructural but strongly…

Strongly Correlated Electrons · Physics 2015-06-03 Wojciech Miiller , Maxim Avdeev , Qingdi Zhou , Andrew J. Studer , Brendan J. Kennedy , Gordon J. Kearley , Chris D. Ling

We have studied the field and temperature dependence of the magnetization of single crystals of Sr3NiIrO6. These measurements evidence the presence of an easy axis of anisotropy and two anomalies in the magnetic susceptibility. Neutron…

We identify an interesting regime in the physics of pyrochlore magnets in which spin-orbit and crystal field effects lead to {\em two} low-lying magnetic doublets that can be modeled as an effective spin $S=3/2$ degree of freedom that sees…

Strongly Correlated Electrons · Physics 2026-02-27 Jay Pandey , Souvik Kundu , Kedar Damle

Frustrated transition metal compounds in which spin-orbit coupling (SOC) and electron correlation work together have attracted much attention recently. In the case of 5$d$ transition metals, where SOC is large, $j_\text{eff}=1/2$ bands near…

Strongly Correlated Electrons · Physics 2015-10-14 Andrei Catuneanu , Jeffrey G. Rau , Heung-Sik Kim , Hae-Young Kee

Rare-earth pyrochlores are known to exhibit exotic magnetic phenomena. We report a study of crystal growth and characterizations of a new rare-earth compound Er$_2$AlSbO$_7$, in which Al$^{3+}$ and Sb$^{5+}$ ions share the same positions…

Recently, the resistance saturation at low temperature in Kondo insulator SmB6, a long-standing puzzle in condensed matter physics, was proposed to originate from topological surface state. Here,we systematically studied the…

Strongly Correlated Electrons · Physics 2015-03-30 F. Chen , C. Shang , Z. Jin , D. Zhao , Y. P. Wu , Z. J. Xiang , Z. C. Xia , A. F. Wang , X. G. Luo , T. Wu , X. H. Chen

By using bulk magnetization, electron spin resonance (ESR), heat capacity, and neutron scattering techniques, we characterize the thermodynamic and quantum phase diagrams of Ba$_3$Cr$_2$O$_8$. Our ESR measurements indicate that the low…

Strongly Correlated Electrons · Physics 2015-05-13 M. Kofu , H. Ueda , H. Nojiri , Y. Oshima , T. Zenmoto , K. Rule , S. Gerischer , B. Lake , C. D. Batista , Y. Ueda , S. -H. Lee

The recent discovery of high-temperature superconductivity in high-pressurized La$_3$Ni$_2$O$_{7-\delta}$ has garnered significant attention. Using density functional theory, we investigate the magnetic properties of…

Materials Science · Physics 2024-12-30 Xiao-Sheng Ni , Yuyang Ji , Lixin He , Tao Xie , Dao-Xin Yao , Meng Wang , Kun Cao

The spin-gap system with a bond-disorder (CH3)2CHNH3-Cu(ClxBr1-x)3 is reported by experiments on macroscopic quantities of the uniform susceptibility and the specific heat to show a magnetic order at low temperatures when the value of x is…

Strongly Correlated Electrons · Physics 2009-11-13 Takayuki Goto , Takao Suzuki , Keishi Kanada , Takehiro Saito , Akira Oosawa , Isao Watanabe , Hirotaka Manaka

Recently, the iridate double perovskite Sr$_2$YIrO$_6$ has attracted considerable attention due to the report of unexpected magnetism in this Ir$^{5+}$ (5d$^4$) material, in which according to the J$_{eff}$ model, a non-magnetic ground…

Theoretically, the helical edge states of two-dimensional topological insulators are protected from coherent backscattering due to nonmagnetic disorder provided electron interactions are not too strong. Experimentally, the edges typically…

Mesoscale and Nanoscale Physics · Physics 2021-11-08 A. V. Bubis , N. N. Mikhailov , S. A. Dvoretsky , A. G. Nasibulin , E. S. Tikhonov

We present magnetic torque measurements on the Shastry-Sutherland quantum spin system SrCu$_2$(BO$_3$)$_2$ in fields up to 31 T and temperatures down to 50 mK. A new quantum phase is observed in a 1 T field range above the 1/8 plateau, in…

Strongly Correlated Electrons · Physics 2008-04-01 F. Levy , I. Sheikin , C. Berthier , M. Horvatic , M. Takigawa , H. Kageyama , T. Waki , Y. Ueda

We report the magnetic phase diagram of single-crystalline LiFePO$_4$ in magnetic fields up to 58~T and present a detailed study of magneto-elastic coupling by means of high-resolution capacitance dilatometry. Large anomalies at \tn\ in the…

Strongly Correlated Electrons · Physics 2019-07-03 J. Werner , S. Sauerland , C. Koo , C. Neef , A. Pollithy , Y. Skourski , R. Klingeler

We performed susceptibility, magnetization, specific heat, and single crystal neutron diffraction measurements on single crystalline BaMn$_2$Si$_2$O$_7$. Based on the results, we revisited its spin structure with a more accurate solution…

Strongly Correlated Electrons · Physics 2019-07-31 G. H. Wang , C. Y. Xu , H. B. Cao , T. Hong , Q. Huang , Q. Y. Ren , J. Q. Xu , H. D. Zhou , W. D. Luo , D. Qian , J. Ma
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