141 citations · 378 across the 16 of their papers we have counts for
16 papers
Ultralong 100 ns Spin Relaxation Time in Graphite at Room Temperature
B. G. Márkus, M. Gmitra, B. Dóra +8
Graphite has been intensively studied, yet its electron spins dynamics remains an unresolved problem even 70 years after the first experiments. The central quantities, the longitud…
Ultrahigh nitrogen-vacancy center concentration in diamond
S. Kollarics, F. Simon, A. Bojtor +19
High concentration of negatively charged nitrogen-vacancy () centers was created in diamond single crystals containing approximately 100 ppm nitrogen using electron…
Tuning Conductivity and Spin Dynamics in Few-Layer Graphene via In Situ Potassium Exposure
B. G. Márkus, O. Sági, S. Kollarics +7
Chemical modification, such as intercalation or doping of novel materials is of great importance for exploratory material science and applications in various fields of physics and…
Ultralong spin lifetime in light alkali atom doped graphene
B. G. Márkus}, P. Szirmai, K. F. Edelthalhammer +9
Today's great challenges of energy and informational technologies are addressed with a singular compound, the Li and Na doped few layer graphene. All what is impossible for graphit…
Improved alkali intercalation of carbonaceous materials in ammonia solution
B. G. Márkus, S. Kollarics, P. Szirmai +5
Alkali intercalated graphite compounds represent a compelling modification of carbon with significant application potential and various fundamentally important phases. We report on…
Incidence of multilayers in chemically exfoliated graphene
P. Szirmai, B. G. Márkus, J. C. Chacón-Torres +11
An efficient route to synthesize macroscopic amounts of graphene is highly desired and a bulk characterization of such samples, in terms of the number of layers, is equally importa…
Upper critical field, pressure-dependent superconductivity and electronic anisotropy of SmFeAsTeOF
A Pisoni, S Katrych, P Szirmai +4
We present a detailed study of the electrical transport properties of a recently discovered iron-based superconductor: SmFeAsTeOF. We followed…
Optically switched magnetism in photovoltaic perovskite CHNH(Mn:Pb)I
B. Náfrádi, P. Szirmai, M. Spina +7
The demand for ever-increasing density of information storage and speed of manipulation boosts an intense search for new magnetic materials and novel ways of controlling the magnet…
Doped carbon nanotubes as a model system of biased graphene
P. Szirmai, B. G. Márkus, B. Dóra +8
Albeit difficult to access experimentally, the density of states (DOS) is a key parameter in solid state systems which governs several important phenomena including transport, magn…
Anisotropic Elliott-Yafet Theory and Application to KC Potassium Intercalated Graphite
Bence G. Márkus, Lénárd Szolnoki, Dávid Iván +5
We report Electron Spin Resonance (ESR) measurements on stage-I potassium intercalated graphite (KC). Angular dependent measurements show that the spin-lattice relaxation time…
Metallicity and conductivity crossover in white light illuminated CHNHPbI perovskite
A. Pisoni, J. Jacimovic, B. Náfrádi +7
The intrinsic d.c. electrical resistivity () - measurable on single crystals only - is often the quantity first revealing the properties of a given material. In the case of CH$_…
Transport, Magnetic and Vibrational Properties of Chemically Exfoliated Few Layer Graphene
Bence G. Márkus, Ferenc Simon, Julio C. Chacón-Torres +8
We study the vibrational, magnetic and transport properties of Few Layer Graphene (FLG) using Raman and electron spin resonance spectroscopy and microwave conductivity measurements…
Observation of conduction electron spin resonance in boron doped diamond
Péter Szirmai, Gábor Fábián, János Koltai +7
We observe the electron spin resonance of conduction electrons in boron doped (6400 ppm) superconducting diamond (Tc =3.8 K). We clearly identify the benchmarks of conduction elect…
Synthesis of Homogeneous Manganese-Doped Titanium Oxide Nanotubes from Titanate Precursors
Péter Szirmai, Endre Horváth, Bálint Náfrádi +6
We report a novel synthesis route of homogeneously manganese-doped titanium dioxide nanotubes in a broad concentration range. The scroll-type trititanate (H(2)Ti(3)O(7)) nanotubes…
A detailed analysis of the Raman spectra in superconducting boron doped nanocrystalline diamond
Péter Szirmai, Thomas Pichler, Oliver A. Williams +3
The light scattering properties of superconducting (Tc=3.8 K) heavily boron doped nanocrystalline diamond has been investigated by Raman spectroscopy using visible excitations. Fan…
Density of states deduced from ESR measurements on low-dimensional nanostructures; benchmarks to identify the ESR signals of graphene and SWCNTs
Péter Szirmai, Gábor Fábián, Balázs Dóra +6
Electron spin resonance (ESR) spectroscopy is an important tool to characterize the ground state of conduction electrons and to measure their spin-relaxation times. Observing ESR o…