Theoretical and computational studies of carbon nanotube composites and suspensions: Electrical and thermal conductivity

M Foygel, RD Morris, D Anez, S French… - Physical Review B …, 2005 - APS
Monte Carlo simulations have been performed, aimed at finding a critical fractional volume
(CFV) associated with the onset of percolation for randomly oriented nanotubes (or, indeed …

Scaling description of non-ohmic direct current conduction in disordered systems

U Nandi, D Jana, D Talukdar - Progress in Materials Science, 2015 - Elsevier
Complex charge transport mechanisms in disordered systems are often difficult to
characterize owing to a dearth of suitable probes. Non-Ohmic response to an applied …

Magnetotransport properties of p-type carbon-doped ZnO thin films

TS Herng, SP Lau, L Wang, BC Zhao, SF Yu… - Applied Physics …, 2009 - pubs.aip.org
Carbon-doped ZnO (ZnO: C) thin films exhibiting Curie temperature above room
temperature were fabricated using ion beam technique. The magnetic moment of the ZnO: C …

Giant magnetoresistance in transition-metal-doped ZnO films

J Wang, Z Gu, M Lu, D Wu, C Yuan, S Zhang… - Applied physics …, 2006 - pubs.aip.org
Magnetic and transport properties were investigated in Zn 0.94 Mn 0.03 Co 0.03 O thin films
prepared by dual radio frequency magnetron sputtering technique. A negative …

Magnetoresistance manipulation and sign reversal in Mn-doped ZnO nanowires

KR Sapkota, W Chen, FS Maloney, U Poudyal… - Scientific Reports, 2016 - nature.com
We report magnetoresistance (MR) manipulation and sign reversal induced by carrier
concentration modulation in Mn-doped ZnO nanowires. At low temperatures positive …

Magnetic effects in sulfur-decorated graphene

C Hwang, SA Cybart, SJ Shin, S Kim, K Kim… - Scientific reports, 2016 - nature.com
The interaction between two different materials can present novel phenomena that are quite
different from the physical properties observed when each material stands alone. Strong …

Anomalous positive magnetoresistance in granular films on Si substrates

DD Zhu, X Zhang, QZ Xue - Journal of applied physics, 2004 - pubs.aip.org
We report the anomalous positive magnetoresistance (PMR) in Co x–C 1− x granular films
prepared on Si (100) substrates by pulsed laser deposition method. A much larger positive …

Transport properties of ultrathin films by field-effect do**

M Salluzzo, A Cassinese, GM De Luca… - Physical Review B …, 2004 - APS
We report a study on the transport properties of ultrathin Nd 1.2 Ba 1.8 Cu 3 O z (NdBCO)
films by using field effect devices. Very high quality NdBCO films, having thickness ranging …

Ferromagnetic copper-doped ZnO deposited on plastic substrates

TS Herng, SP Lau, SF Yu, HY Yang… - Journal of Physics …, 2007 - iopscience.iop.org
Abstract Copper-doped ZnO (ZnO: Cu) films with Cu content of up to 8.2 at.% were prepared
by filtered cathodic vacuum arc technique on plastic substrates. The ZnO: Cu films with 1.3 …

Giant negative magnetoresistance of spin polarons in magnetic semiconductors–chromium-doped Ti2O3 thin films

Z Wang, Y Hong, J Tang, C Radu, Y Chen… - Applied Physics …, 2005 - pubs.aip.org
Epitaxial Cr-doped Ti 2 O 3 films show giant negative magnetoresistance up to− 365% at 2
K⁠. The resistivity of the doped samples follows the behavior expected of spin (magnetic) …