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Magnetothermal Conductivity of Highly Oriented Pyrolytic Graphite in the Quantum Limit
R. Ocaña, P. Esquinazi, H. Kempa +2
We report on the magnetic field (0TT) dependence of the longitudinal thermal conductivity of highly oriented pyrolytic graphite in the temperature range 5 K…
Induced Magnetic Ordering by Proton Irradiation in Graphite
P. Esquinazi, D. Spemann, R. Höhne +3
We provide evidence that proton irradiation of energy 2.25 MeV on highly-oriented pyrolytic graphite samples triggers ferro- or ferrimagnetism. Measurements performed with a superc…
The origin of paramagnetic magnetization in field-cooled YBa2Cu3O7 films
D. A. Luzhbin, A. V. Pan, V. A. Komashko +4
Temperature dependences of the magnetic moment have been measured in YBa_2Cu_3O_{7-δ} thin films over a wide magnetic field range (5 <= H <= 10^4 Oe). In these films a paramagnetic…
A Field-Effect-Transistor from Graphite: No Effect of Low Gate Fields
H. Kempa, P. Esquinazi
Inspired by the striking similarities between the metal-insulator transitions in graphite and Si-MOSFET's and the recent attention to charge doping in carbon-based materials, we ha…