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We present magnetoresistivity measurements in high-quality single crystals of the Nowotny chimney ladder compound Ru$_2$Sn$_3$. We find a linear and nonsaturating magnetoresistance up to 20 T. The magnetoresistance changes with the magnetic…

Strongly Correlated Electrons · Physics 2020-05-20 Beilun Wu , Víctor Barrena , Federico Mompeán , Mar García-Hernández , Hermann Suderow , Isabel Guillamón

It has been observed that the low temperature magnetoresistance behaviour in polycrystalline colossal magnetoresistive (CMR) manganites differ significantly from the single crystals. The polycrystalline samples show large magnetoresistance…

Strongly Correlated Electrons · Physics 2007-05-23 P. Raychaudhuri , P. Taneja , S. Sarkar , A. K. Nigam , P. Ayyub , R. Pinto

The ferrimagnetic insulator Mn3Si2Te6, which features a Curie temperature Tc at 78 K and a delicate yet consequential magnetic frustration, exhibits colossal magnetoresistance (CMR) when the magnetic field is applied along the magnetic hard…

Strongly Correlated Electrons · Physics 2022-11-02 Feng Ye , Masaaki Matsuda , Zachary Morgan , Todd Sherline , Yifei Ni , Hengdi Zhao , G. Cao

The coupling of magnetic and electronic degrees of freedom to the crystal lattice in the ferromagnetic semimetal EuB$_6$, which exhibits a complex ferromagnetic order and a colossal magnetoresistance (CMR) effect, %, very likely involving…

Strongly Correlated Electrons · Physics 2014-08-07 Rudra Sekhar Manna , Pintu Das , Mariano de Souza , Michael Lang , Jens Müller , Stephan von Molnár , Zachary Fisk

The propensity of some materials and multilayers to have a magnetic field dependent resistance, called magnetoresistance, has found commercial applications such as giant magnetoresistance harddisk read heads. But magnetoresistance can also…

Mesoscale and Nanoscale Physics · Physics 2014-12-15 D. P. Leusink , R. G. J. Smits , P. Ngabonziza , X. L. Wang , S. Wiedmann , U. Zeitler , A. Brinkman

We present a detailed study of magnetization, resistivity, heat capacity, and X-ray and neutron powder diffraction measurements performed on single crystals of non-stoichiometric CeAuBi$_2$, Au deficiency 18$\%$, a strongly correlated…

In several parent iron-pnictide compounds the resistivity has an extended range of linear magnetic field dependence. We argue that there is a simple and natural explanation of this behavior. Spin density wave transition leads to…

Superconductivity · Physics 2013-09-02 A. E. Koshelev

The $T^2$-scaling of resistivity with temperature is often viewed as a classic hallmark of a Fermi-liquid (FL) behavior in metals. However, if umklapp scattering is suppressed, this scaling is not universally guaranteed to occur. In this…

Strongly Correlated Electrons · Physics 2025-07-16 Tatia Kiliptari , Dmitrii L. Maslov

We measured the angular dependence of the c-axis magnetoresistance rho_c(B) of Bi-2212 irradiated with heavy ions. At temperatures near 68 K the scaling of rho_c(B) with the c-axis magnetic field component B_perp is broken and the in-plane…

Superconductivity · Physics 2009-10-31 N. Morozov , L. N. Bulaevskii , M. P. Maley , J. Y. Coulter , A. E. Koshelev , T. -W. Li

The shape of the Fermi surface influences many physical phenomena in materials and a growing interest in how the spin-dependent properties are related to the fermiology of crystals has surged. Recently, a novel current-dependent nonlinear…

Mesoscale and Nanoscale Physics · Physics 2024-05-14 Anna C. Marx , Homayoun Jafari , Eelco Tekelenburg , Maria A. Loi , Jagoda Slawinska , Marcos H. D. Guimaraes

We present the results of a thorough investigation of the physical properties of EuAg$_4$Sb$_2$ single crystals using magnetization, heat capacity, and electrical resistivity measurements. High-quality single crystals, which crystallize in…

Strongly Correlated Electrons · Physics 2024-10-29 Sudip Malick , Hanna Świątek , Joanna Bławat , John Singleton , Tomasz Klimczuk

Magnetoresistance (MR) in the out-of-plane resistivity $\rho_c$ for the normal state of the one-layer high-quality Bi_2Sr_2CuO_x single crystals under various dc magnetic fields up to 28 T over the temperature region 6-100 K has been…

Superconductivity · Physics 2007-05-23 S. I. Vedeneev , A. G. M. Jansen , B. A. Volkov , P. Wyder

We have studied the magnetoresistance in a high-mobility Si inversion layer down to low electron concentrations at which the longitudinal resistivity $\rho_{xx}$ has an activated temperature dependence. The angle of the magnetic field was…

Strongly Correlated Electrons · Physics 2009-11-11 Mitsuaki Ooya , Kiyohiko Toyama , Tohru Okamoto

The scaling of $H$-linear magnetoresistance in field and temperature was measured in under-doped (x = 0.19) and optimally-doped (x=0.31)~BaFe$_2$(As$_{1-x}$P$_x$)$_2$. We analyze the data based on an orbital model in the presence of…

We measured electrical resistivity, specific heat and magnetic susceptibility of single crystals of highly conductive oxide Ag_5Pb_2O_6, which has a layered structure containing a Kagome lattice. Both the out-of-plane and in-plane…

Superconductivity · Physics 2009-11-10 Shingo Yonezawa , Yoshiteru Maeno

The gigantic decrease of resistance by an applied magnetic field, which is often referred to as colossal magnetoresistance (CMR), has been an attracting phenomenon in strongly correlated electron systems. The discovery of CMR in manganese…

Strongly Correlated Electrons · Physics 2019-09-25 S. Yamada , N. Abe , H. Sagayama , K. Ogawa , T. Yamagami , T. Arima

The chalcogenide Bi$_2$Se$_3$ can attain the three dimensional (3D) Dirac semimetal state under the influence of strain and microstrain. Here we report the presnece of large linear magnetoresistance in such a Bi$_2$Se$_3$ crystal. The…

Mesoscale and Nanoscale Physics · Physics 2016-06-30 Devendra Kumar , Archana Lakhani

The recent discovery of a nonsaturating linear magnetoresistance in several correlated electron systems near a quantum critical point has revealed an interesting interplay between the linear magnetoresistance and the zero-field…

We present resistivity, specific heat and magnetization measurements in high quality single crystals of HoBi, with a residual resistivity ratio of 126. We find, from the temperature and field dependence of the magnetization, an…

Materials Science · Physics 2013-09-05 A. Fente , H. Suderow , S. Vieira , N. M. Nemes , M. García-Hernández , S. L. Bud'ko , P. C. Canfield

We report the observation of a linear magnetoresistance in single crystals and epitaxial thin films of the pyrochlore iridate Bi$_2$Ir$_2$O$_7$. The linear magnetoresistance is positive and isotropic at low temperatures, without any sign of…