@article{MTMT:3403957,
	title = {Giant microwave absorption in fine powders of superconductors},
	url = {https://m2.mtmt.hu/api/publication/3403957},
	author = {Csősz, Gábor and Márkus, Bence Gábor and Jánossy, András and Nemes, NM and Muranyi, F and Pergerné Klupp, Gyöngyi and Kamarás, Katalin and Kogan, VG and Bud'ko, SL and Canfield, PC and Simon, Ferenc},
	doi = {10.1038/s41598-018-29750-7},
	journal-iso = {SCI REP},
	journal = {SCIENTIFIC REPORTS},
	volume = {8},
	unique-id = {3403957},
	issn = {2045-2322},
	year = {2018},
	eissn = {2045-2322},
	orcid-numbers = {Márkus, Bence Gábor/0000-0003-1472-0482; Kamarás, Katalin/0000-0002-0390-3331}
}

@article{MTMT:3141160,
	title = {Frustration-induced one-dimensionality in the isosceles triangular antiferromagnetic lattice of δ -(EDT-TTF- CONMe2)2AsF6},
	url = {https://m2.mtmt.hu/api/publication/3141160},
	author = {Náfrádi, Bálint and Antal, Ágnes and Fehér, Titusz and Kiss, László Ferenc and Mézière, C and Batail, P and Forró, L and Jánossy, András},
	doi = {10.1103/PhysRevB.94.174413},
	journal-iso = {PHYS REV B},
	journal = {PHYSICAL REVIEW B},
	volume = {94},
	unique-id = {3141160},
	issn = {2469-9950},
	year = {2016},
	eissn = {2469-9969}
}

@article{MTMT:3067673,
	title = {Electronic and ionic conductivities in superionic Li4 C60},
	url = {https://m2.mtmt.hu/api/publication/3067673},
	author = {Quintavalle, Dario and Márkus, Bence Gábor and Jánossy, András and Simon, Ferenc and Pergerné Klupp, Gyöngyi and Gyori, MA and Kamarás, Katalin and Magnani, G and Pontiroli, D and Riccò, M},
	doi = {10.1103/PhysRevB.93.205103},
	journal-iso = {PHYS REV B},
	journal = {PHYSICAL REVIEW B},
	volume = {93},
	unique-id = {3067673},
	issn = {2469-9950},
	year = {2016},
	eissn = {2469-9969},
	orcid-numbers = {Márkus, Bence Gábor/0000-0003-1472-0482; Kamarás, Katalin/0000-0002-0390-3331}
}

@article{MTMT:3000542,
	title = {Two-dimensional Magnetism in kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Cl, a Spin-1/2 Heisenberg Antiferromagnet with Dzyaloshinskii-Moriya Interaction},
	url = {https://m2.mtmt.hu/api/publication/3000542},
	author = {Antal, Ágnes and Fehér, Titusz and Náfrádi, Bálint and Forro, L and Jánossy, András},
	doi = {10.7566/JPSJ.84.124704},
	journal-iso = {J PHYS SOC JPN},
	journal = {JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN},
	volume = {84},
	unique-id = {3000542},
	issn = {0031-9015},
	abstract = {The finite phase transition temperature, T-N, of quasi two-dimensional (2D) Heisenberg antiferromagnetic (AF) crystals results from in-plane anisotropy or coupling between layers. It is usually not known which is the determining factor when both are weak. We show by an electron spin resonance experiment that in the quasi 2D antiferromagnetic crystal,kappa-(BEDT-TTF)(2)Cu[N(CN)(2)] Cl, TN is determined by in-plane anisotropy while interlayer coupling plays a minor role. The compound has a large isotropic Heisenberg exchange interaction between sites with S = 1/2 spins. The Dzyaloshinskii-Moriya (DM) interaction is the main source of anisotropy, while in-plane anisotropy and the interlayer coupling are very weak. The external-field field-induced static and fluctuating AF magnetizations are independent in adjacent layers above the (zero-field) ordering temperature.},
	keywords = {CHAINS; conductor; ORGANIC SUPERCONDUCTOR; FIELD-INDUCED GAP},
	year = {2015}
}

@article{MTMT:2695807,
	title = {Fullerének: szépség és hasznosság},
	url = {https://m2.mtmt.hu/api/publication/2695807},
	author = {Jánossy, András},
	journal-iso = {MAGYAR TUDOMÁNY},
	journal = {MAGYAR TUDOMÁNY},
	volume = {174},
	unique-id = {2695807},
	issn = {0025-0325},
	year = {2013},
	eissn = {1588-1245},
	pages = {1103-1110}
}

@article{MTMT:2137109,
	title = {Molecular and spin dynamics in the paramagnetic endohedral fullerene Gd 3N@C 80},
	url = {https://m2.mtmt.hu/api/publication/2137109},
	author = {Náfrádi, B and Antal, Ágnes and Pásztor, Á and Forró, L and Kiss, László Ferenc and Fehér, Titusz and Kováts, Éva and Pekker, Sándor and Jánossy, András},
	doi = {10.1021/jz301250j},
	journal-iso = {J PHYS CHEM LETT},
	journal = {JOURNAL OF PHYSICAL CHEMISTRY LETTERS},
	volume = {3},
	unique-id = {2137109},
	issn = {1948-7185},
	year = {2012},
	pages = {3291-3296}
}

@article{MTMT:2111396,
	title = {Magnetic fluctuations above the Neel temperature in kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Cl, a quasi-2D Heisenberg antiferromagnet with Dzyaloshinskii-Moriya interaction},
	url = {https://m2.mtmt.hu/api/publication/2111396},
	author = {Antal, Ágnes and Fehér, Titusz and Nafradi, B and Forro, L and Jánossy, András},
	doi = {10.1002/pssb.201100731},
	journal-iso = {PHYS STAT SOL B BASIC RES},
	journal = {PHYSICA STATUS SOLIDI B-BASIC RESEARCH},
	volume = {249},
	unique-id = {2111396},
	issn = {0370-1972},
	year = {2012},
	eissn = {1521-3951},
	pages = {1004-1007}
}

@article{MTMT:1996782,
	title = {Spin-Stretching Modes in Anisotropic Magnets: Spin-Wave Excitations in the Multiferroic Ba2CoGe2O7},
	url = {https://m2.mtmt.hu/api/publication/1996782},
	author = {Penc, Karlo and Romhányi, Judit and Rõõm, T and Nagel, U and Antal, Ágnes and Fehér, Titusz and Jánossy, András and Engelkamp, H and Murakawa, H and Tokura, Y and Szaller, Dávid and Bordács, Sándor and Kézsmárki, István},
	doi = {10.1103/PhysRevLett.108.257203},
	journal-iso = {PHYS REV LETT},
	journal = {PHYSICAL REVIEW LETTERS},
	volume = {108},
	unique-id = {1996782},
	issn = {0031-9007},
	abstract = {We studied spin excitations in the magnetically ordered phase of the 
		noncentrosymmetric Ba2CoGe2O7 in high magnetic fields up to 33 T. In the 
		electron spin resonance and far infrared absorption spectra we found several spin 
		excitations beyond the two conventional magnon modes expected for such a two- 
		sublattice antiferromagnet. We show that a multiboson spin-wave theory describes 
		these unconventional modes, including spin-stretching modes, characterized by an 
		oscillating magnetic dipole and quadrupole moment. The lack of inversion 
		symmetry allows each mode to become electric dipole active. We expect that the 
		spin-stretching modes can be generally observed in inelastic neutron scattering 
		and light absorption experiments in a broad class of ordered S > 1/2 spin systems 
		with strong single-ion anisotropy and/or noncentrosymmetric lattice structure.},
	year = {2012},
	eissn = {1079-7114},
	orcid-numbers = {Penc, Karlo/0000-0002-2197-1370; Szaller, Dávid/0000-0003-4451-118X; Bordács, Sándor/0000-0003-0420-5997}
}

@article{MTMT:1847933,
	title = {Pressure and temperature dependence of interlayer spin diffusion and electrical conductivity in the layered organic conductors kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]X (X = Cl, Br)},
	url = {https://m2.mtmt.hu/api/publication/1847933},
	author = {Antal, Ágnes and Fehér, Titusz and Tátrainé Szekeres, Erzsébet and Fülöp, Ferenc and Náfrádi, Bálint and Forro, L and Jánossy, András},
	doi = {10.1103/PhysRevB.84.075124},
	journal-iso = {PHYS REV B},
	journal = {PHYSICAL REVIEW B},
	volume = {84},
	unique-id = {1847933},
	issn = {2469-9950},
	abstract = {A high frequency (111.2-420 GHz) electron spin resonance study of the interlayer spin diffusion is presented in the conducting phases of the layered organic compounds, kappa-( BEDT-TTF)(2)Cu[N(CN)(2)]X (kappa-ET(2)-X), X = Cl or Br. The interlayer spin cross relaxation time T(x) and the intrinsic spin relaxation time T(2) of single layers are measured as a function of temperature and pressure. Spin diffusion is two dimensional in the high temperature bad-metal phase (i.e., electrons are confined to a single molecular layer for longer than T(2)). The interlayer electron hopping frequency nu(perpendicular to) = 1/(2T(x)) decreases along the bad-metal to Mott insulator crossover and increases along the bad-metal to normal metal (or superconductor) crossover. The density of states (DOS) is determined from a comparison of T(x) and the interlayer resistivity. In the bad-metal phase it is four to five times larger than the DOS calculated from the electronic structure neglecting electron correlations. In kappa-ET(2)-X the DOS increases with pressure along the bad-metal to normal metal crossover. Results are compared with predictions of the dynamical mean field theory.},
	year = {2011},
	eissn = {2469-9969}
}

@article{MTMT:1446535,
	title = {Multipurpose High-Frequency ESR Spectrometer for Condensed Matter Research},
	url = {https://m2.mtmt.hu/api/publication/1446535},
	author = {Nagy, Kálmán and Quintavalle, Dario and Fehér, Titusz and Jánossy, András},
	doi = {10.1007/s00723-010-0182-4},
	journal-iso = {APPL MAGN RESON},
	journal = {APPLIED MAGNETIC RESONANCE},
	volume = {40},
	unique-id = {1446535},
	issn = {0937-9347},
	year = {2011},
	eissn = {1613-7507},
	pages = {47-63}
}