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We predict that current perpendicular to the plane (CPP) giant magnetoresistance (GMR) in a phase-coherent magnetic multilayer is suppressed when one of the contacts is superconducting. This is a consequence of a superconductivity-induced…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 F. Taddei , S. Sanvito , J. H. Jefferson , C. J. Lambert

We have experimentally investigated the low-temperature (0.6 K) electronic and magnetic properties of the layered antiferromagnet EuZn2As2 in pulsed magnetic fields of up to 60 T at a temperature of 0.6 K, giant positive magnetoresistance…

Materials Science · Physics 2023-04-26 Joanna Blawat , Smita Speer , John Singleton , Weiwei Xie , Rongying Jin

The compound Dy7Rh3 ordering antiferromagnetically below (TN=) 59 K has been known to exhibit a temperature (T) dependent electrical resistivity (rho) behavior in the paramagnetic state unusual for intermetallic compounds in the sense that…

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

Engineering devices with a large electrical response to magnetic field is of fundamental importance for a range of applications such as magnetic field sensing and magnetic read-heads. We show that a colossal non-saturating linear…

Mesoscale and Nanoscale Physics · Physics 2012-08-28 M. A. Aamir , Srijit Goswami , Matthias Baenninger , Vikram Tripathi , Michael Pepper , Ian Farrer , David A. Ritchie , Arindam Ghosh

The extremely large transverse magnetoreistance (the magnetoresistant ratio $\sim 1.3\times10^5\%$ in 2 K and 9 T field, and $4.3\times 10^6\%$ in 0.4 K and 32 T field, without saturation), and the metal-semiconductor crossover induced by…

Materials Science · Physics 2015-01-07 Kefeng Wang , D. Graf , Lijun Li , C. Petrovic

We present the magnetoresistance (MR) of highly doped monolayer graphene layers grown by chemical vapor deposition on 6H-SiC. The magnetotransport studies are performed on a large temperature range, from $T$ = 1.7 K up to room temperature.…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 B. Jabakhanji , D. Kazazis , W. Desrat , A. Michon , M. Portail , B. Jouault

The polycrystalline form of the compound, Tb5Si3, crystallizing in Mn5Si3-type hexagonal structure, which was earlier believe to order antiferromagnetically below 69 K, has been recently reported by us to exhibit interesting…

Materials Science · Physics 2015-06-05 Kartik K. Iyer , K. Mukherjee , P. L. Paulose , E. V. Sampathkumaran , Y. Xu , W. Löser

We report magnetotransport measurements on high purity sintered samples of spintronic CrO2 in an unexplored crystallographic regime between 5-300 K. The negative magnetoresistance (MR) as derived from RH isotherms is observed to be…

Materials Science · Physics 2007-05-23 A. Bajpai , A. K. Nigam

The recent discovery of large and non-saturating magnetoresistance (LMR) in WTe2 provides a unique playground to find new phenomena and significant perspective for potential applications. Here we report the first observation of…

Quantum materials harbor a cornucopia of exotic transport phenomena challenging our understanding of condensed matter. Among these, a giant, non-saturating linearmagnetoresistance (MR) has been reported in various systems, from Weyl…

Mesoscale and Nanoscale Physics · Physics 2022-01-26 Srijani Mallik , Gerbold C. Ménard , Guilhem Saiz , Alexandre Gloter , Nicolas Bergeal , Marc Gabay , Manuel Bibes

We report magnetotransport study on type-II Weyl semimetal WP$_2$ single crystals. Magnetoresistance (MR) exhibits a nonsaturating $H^{n}$ field dependence (14,300\% at 2 K and 9 T) whereas systematic violation of Kohler's rule was…

Materials Science · Physics 2017-09-20 Aifeng Wang , D. Graf , Yu Liu , Qianheng Du , Jiabao Zheng , Hechang Lei , C. Petrovic

We show that the recent magnetoresistance data on thin-film La$_{2-x}$Sr$_{x}$CuO$_4$ (LSCO) in strong magnetic fields ($B$) obeys a single-parameter scaling of the form MR$(B,T)=f(\mu_H(T)B)$, where $\mu_H^{-1}(T)\sim T^{\alpha}$…

Strongly Correlated Electrons · Physics 2019-10-30 Christian Boyd , Philip W. Phillips

Extremely large magnetoresistance is realized in the nonmagnetic layered metal PdCoO2. In spite of a highly conducting metallic behavior with a simple quasi-two-dimensional hexagonal Fermi surface, the interlayer resistance reaches up to…

Here, we report the magneto-conductivity (up to 14Tesla and down to 5K) analysis of Bi2Te3 single-crystal. A sharp magneto-conductivity (MC) rise (inverted v-type cusp) is observed near H=0 due to the weak antilocalization (WAL) effect,…

Materials Science · Physics 2021-03-17 Yogesh Kumar , Rabia Sultana , V. P. S. Awana

A central puzzle in strongly correlated electronic phases is strange metallic transport, marked by $T$-linear resistivity and $B$-linear magnetoresistance, in sharp contrast with quadratic scalings observed in conventional metals. Here, we…

Strongly Correlated Electrons · Physics 2026-05-08 Jaewon Kim , Shubhayu Chatterjee

The magnetoresistance (MR) and the magnetization isotherms were studied up to high magnetic fields at T = 3 K and 300 K for a microcrystalline ($\mu$c) Ni foil corresponding to bulk Ni and for a nanocrystalline (nc) Ni foil. At T = 3 K, for…

Materials Science · Physics 2022-08-12 I. Bakonyi , F. D. Czeschka , L. F. Kiss , V. A. Isnaini , A. T. Krupp , K. Palotás , S. Zsurzsa , L. Péter

Magnetoresistance (MR) of ion irradiated monolayer graphene samples with variable-range hopping (VRH) mechanism of conductivity was measured at temperatures down to $T = 1.8$ K in magnetic fields up to $B = 8$ T. It was observed that in…

Mesoscale and Nanoscale Physics · Physics 2016-07-14 I. Shlimak , E. Zion , A. V. Butenko , L. Wolfson , V. Richter , Yu. Kaganovskii , A. Sharoni , A. Haran , D. Naveh , E. Kogan , M. Kaveh

Magneto-resistivity of a c-axis oriented MgB$_{2}$ thin film was studied in perpendicular and parallel magnetic fields up to $\sim $23 T with temperatures down to 0.38 K. Resistive critical magnetic fields were determined. Large separations…

The magnetoresistance, Rxx, at even-denominator fractional fillings, of an ultra high quality two-dimensional electron system at T ~ 35 mK is observed to be strictly linear in magnetic field, B. While at 35mK Rxx is dominated by the integer…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 W. Pan , H. L. Stormer , D. C. Tsui , L. N. Pfeiffer , K. W. Baldwin , K. W. West

A clear gate voltage tunable weak antilocalization and a giant magnetoresistance of 400 percent are observed at 1.9 K in single layer graphene with an out-of-plane field. A large magnetoresistance value of 275 percent is obtained even at…

Materials Science · Physics 2015-06-17 Kalon Gopinadhan , Young Jun Shin , Indra Yudhistira , Jing Niu , Hyunsoo Yang