English
Related papers

Related papers: In-plane Hall effect in c-axis-oriented MgB2 thin …

200 papers

We have investigated the temperature and magnetic field dependence of the Hall coefficient of two well-characterized superconducting MgB$_2$ films (T$_{c0}$=38.0 K) in both the normal and superconducting states. Our results show that the…

Superconductivity · Physics 2007-05-23 R. Jin , M. Paranthaman , H. Y. Zhai , H. M. Christen , D. K. Christen , D. Mandrus

The mixed-state Hall resistivity and the longitudinal resistivity in superconducting MgB2 thin films have been investigated as a function of the magnetic field over a wide range of current densities from 100 to 10000 A/cm^2. We observe a…

Superconductivity · Physics 2009-11-07 W. N. Kang , Hyeong-Jin Kim , Eun-Mi Choi , Heon Jung Kim , Kijoon H. P. Kim , Sung-Ik Lee

The Hall conductivities of HgBa_{2}CaCu_{2}O_{6+\delta}and HgBa_{2}Ca_{2}Cu_{3}O_{8+\delta} thin films are investigated for a magnetic field parallel to the c axis. The mixed-state Hall conductivity for these compounds is well described by…

Superconductivity · Physics 2009-10-31 Wan-Seon Kim , W. N. Kang , S. J. Oh , Mun-Seog Kim , Yujoung Bai , Sung-Ik Lee , Chang Ho Choi , H. -C. Ri

We have measured the normal state temperature dependence of the Hall effect and magnetoresistance in epitaxial MgB2 thin films with variable disorders characterized by the residual resistance ratio RRR ranging from 4.0 to 33.3. A strong…

The normal-state Hall coefficient R_H and the in-plane resistivity \rho_{ab} are measured in La-doped Bi_{2}Sr_{2}CuO_{y} (T_c \simeq 13 K) single crystals and La_{2-x}Sr_{x}CuO_{4} thin films by suppressing superconductivity with 61-T…

Measurements of the Hall effect and the resistivity on precisely-patterned YBCO thin films in magnetic fields B from 0.5 to 6 T oriented parallel to the sample crystallographic c axis reveal a sign reversal of the Hall coefficient for B <=…

Superconductivity · Physics 2009-11-10 I. Puica , W. Lang , W. Goeb , R. Sobolewski

The longitudinal resistivity (rho_{xx}) and transverse resistivity (rho_{xy}) of MgB2 thin films in the mixed state were studied in detail. We found that the temperature dependencies of rho_{xx} and \rho_{xy} at a fixed magnetic field (H)…

Superconductivity · Physics 2008-01-08 Huan Yang , Ying Jia , Lei Shan , Chenggang Zhuang , X. X. Xi , Qi Li , Zikui Liu , Qingrong Feng , Hai-Hu Wen

The Hall effect is investigated for eight superconducting Fe(Se_0.5_Te_0.5_) thin films grown on MgO and LaSrAlO_4_ substrates with different transition temperatures (T_c_). The normal Hall coefficients (R_H_) have positive values with…

Superconductivity · Physics 2015-05-14 I. Tsukada , M. Hanawa , S. Komiya , T. Akiike , R. Tanaka , Y. Imai , A. Maeda

We find that the Hall effect resistivity ($\rho_{xy}$) of thin films of \lsmo\ varies as a function of the angle $\theta$ between the applied magnetic field and the film normal as $\rho_{xy}=a\cos \theta + b\cos 3\theta$, where $|b|$…

Strongly Correlated Electrons · Physics 2015-06-12 Netanel Naftalis , Noam Haham , Jason Hoffman , Matthew S. J. Marshall , C. H. Ahn , Lior Klein

The mixed-state Hall effect was examined in a Ba(Fe1-xCox)2As2 epitaxial film with a high critical current density. The transverse resistivity {\rho}xy and the longitudinal resistivity {\rho}xx follow power law scaling {\rho}xy =…

Superconductivity · Physics 2013-02-18 Hikaru Sato , Takayoshi Katase , Won Nam Kang , Hidenori Hiramatsu , Toshio Kamiya , Hideo Hosono

Temperature-dependence and magnetic field-dependence of the Hall effect and the magnetic property in manganese-oxide thin films are studied. The spontaneous magnetization and the Hall resistivity are obtained for a various of magnetic…

Condensed Matter · Physics 2009-10-28 Liang-Jian Zou

Superconducting compounds of the family Hg-Ba-Ca-Cu-O have been the subject of intense study since the current record-holder for the highest critical temperature of a superconductor belongs to this class of materials. Thin films of the…

Superconductivity · Physics 2009-11-11 H. Richter , I. Puica , W. Lang , M. Peruzzi , J. H. Durrell , H. Sturm , J. D. Pedarnig , D. Baeuerle

We report resistivity and the Hall effect measurements in the normal and superconducting states of MgB2 single crystal. The resistivity has been found to be anisotropic with slightly temperature dependent resistivity ratio of about 3.5. The…

Superconductivity · Physics 2009-11-07 Yu. Eltsev , K. Nakao , S. Lee , T. Masui , N. Chikumoto , S. Tajima , N. Koshizuka , M. Murakami

The resistivity, temperature, and magnetic field dependence of the anomalous Hall effect in a series of metallic Ga1-xMnxAs thin films with 0.015=<x=<0.08 is presented. A quadratic dependence of the anomalous Hall resistance on the…

Materials Science · Physics 2009-11-07 K W Edmonds , R P Campion , K-Y Wang , A C Neumann , B L Gallagher , C T Foxon , P C Main

Transport properties of the good thermoelectric misfit oxide Ca$_3$Co$_4$O$_9$ are examined. In-plane resistivity and Hall resistance measurements were made on epitaxial thin films which were grown on {\it c}-cut sapphire substrates using…

Strongly Correlated Electrons · Physics 2009-11-11 H. W Eng , P. Limelette , W. Prellier , Ch. Simon , R. Fresard

The longitudinal resistivity rho_{xx} and Hall coefficient R_H were measured for MgB2 sintered under high pressure. We found that R_H is positive like cuprate high-Tc superconductors, and decreases as the temperature increases for 40 K < T…

We report on a systematic study of the structural, magnetic properties and the anomalous Hall effect, in the Heusler alloy Co2FeAl (CFA) epitaxial films on MgO(001), as a function of film thickness. It was found that the epitaxial CFA films…

Materials Science · Physics 2012-10-23 Wenhong Wang , Enke Liu , Yin Du , Jinglan Chen , Guangheng Wu , Hiroaki Sukegawa , Seiji Mitain , Koichiro Inomata

Mn$_{3-x}$Ga (x = 0.1, 0.4, 0.7) thin films on MgO and SrTiO$_3$ substrates were investigated with magnetic anisotropy perpendicular to the film plane. An anomalous Hall-effect was observed for the tetragonal distorted lattice in the…

Materials Science · Physics 2015-06-12 Manuel Glas , Daniel Ebke , Inga-Mareen Imort , Patrick Thomas , Günter Reiss

The Hall resistivity rho_{xy} of LuNi_2B_2C is negative in the normal as well as in the mixed state and has no sign reversal typical for high-T_c superconductors. A distinct nonlinearity in the rho_{xy} dependence on field H was found in…

Superconductivity · Physics 2009-10-31 V. N. Narozhnyi , J. Freudenberger , V. N. Kochetkov , K. A. Nenkov , G. Fuchs , K. -H. Müller

Thin films of the high-temperature superconductor HgBa$_2$CaCu$_2$O$_{6+\delta}$ have been prepared on SrTiO$_3$ substrates by pulsed-laser deposition of precursor films and subsequent annealing in mercury-vapor atmosphere. The…

Superconductivity · Physics 2021-02-11 H. Richter , W. Lang , M. Peruzzi , H. Hattmansdorfer , J. H. Durrell , J. D. Pedarnig
‹ Prev 1 2 3 10 Next ›