activity
20102022
most citedItinerant ferromagnetism in actinide 5f electrons system: Phenomenological analysis with spin fluctuation theory

39 citations · 287 across the 21 of their papers we have counts for

collaborators

21 papers

cond-mat.mtrl-sci2022

Nd:YAG single crystals grown by floating zone method in laser furnace

Frantisek Zajic, Martin Klejch, Adam Elias +4

We report on single crystal growth of laser material Nd:YAG widely used in the applications by innovative crucible-free floating zone method implemented in an advanced laser optica…

cond-mat.mtrl-sci2022★ 11 cited

Terahertz Magnetic and Lattice Excitations in van der Waals Ferromagnet VI3

David Hovancik, Dalibor Repcek, Fedir Borodavka +7

We use the synergy of infrared, terahertz, and Raman spectroscopies with DFT calculations to shed light on the magnetic and lattice properties of VI3. The structural transition at…

cond-mat.mtrl-sci2022★ 34 cited

Large orbital magnetic moment in VI3

David Hovancik, Cinthia Piamonteze, Jiri Pospisil +2

The existence of the V3+ ion orbital moment is the open issue of the nature of magnetism in the van der Waals ferromagnet VI3. The huge magnetocrystalline anisotropy in conjunction…

cond-mat.str-el2022★ 1 cited

UI -- 5f-electron magnetic van der Waals material

Dávid Hovančík, Marie Kratochvílová, Petr Doležal +3

We grew high-quality single crystals of the 5f electron van der Waals compound UI and investigated them by measurements of specific heat and magnetization as functions of tempe…

cond-mat.mtrl-sci2022★ 14 cited

Crystal structure evolution in the van der Waals transition metal trihalides

Marie Kratochvilova, Petr Dolezal, David Hovancik +5

Most transition-metal trihalides are dimorphic. The representative chromium-based triad, CrCl3, CrBr3, CrI3, is characterized by the low-temperature phase adopting the trigonal BiI…

cond-mat.str-el2021

Alloying driven transition between ferro- and antiferromagnetism in UTGe compounds: the UCo1-xIrxGe case

David Hovanvcik, Akinari Koriki, Anezka Bendova +7

The evolution of magnetic properties of isostructural and isoelectronic solid solutions of the superconducting itinerant 5f-electron ferromagnet UCoGe with antiferromagnet UIrGe wa…

cond-mat.mtrl-sci2021★ 21 cited

Magnetic anisotropy in van-der-Waals ferromagnet VI3

A. Koriki, M. Misek, J. Pospisil +8

A comprehensive study of magnetocrystalline anisotropy of a layered van-der-Waals ferromagnet VI3 was performed. We measured angular dependences of the torque and magnetization wit…

cond-mat.str-el2020★ 3 cited

Magnetic phase diagram of the antiferromagnet U2Rh2Pb

J. Pospisil, M. Misek, M. Divis +4

A new U-based compound of the U2Rh2Pb, a new compound of the U2T2X series was prepared in a single-crystal form. Its structure was determined as belonging to the tetragonal Mo2FeB2…

cond-mat.str-el2018★ 17 cited

Magnetic field induced phenomena in UIrGe in fields applied along b axis

Jiri Pospisil, Yoshinori Haga, Yoshimitsu Kohama +11

The metamagnetic transition between the antiferromagnetic and paramagnetic state in UIrGe has been studied at various temperatures by magnetization, heat capacity and magnetocalori…

cond-mat.str-el2018★ 2 cited

Magnon excitations and quantum critical behavior of the ferromagnet URuGe

M. P. Nascimento, M. A. Continentino, A. López +8

We present an extensive study of the ferromagnetic heavy fermion compound URuGe. Measurements of electrical resistivity, specific heat and magnetic properties show that…

cond-mat.mtrl-sci2018★ 32 cited

Ordered array of particles in -Ti matrix studied by small-angle X-ray scattering

Jana Šmilauerová, Petr Harcuba, Josef Stráský +7

Nanosized particles of phase in a -Ti alloy were investigated by small-angle X-ray scattering using synchrotron radiation. We demonstrated that the particles are spontaneous…

cond-mat.str-el2018★ 17 cited

Critical behavior of magnetization in URhAl:Quasi-two-dimensional Ising system with long-range interactions

Naoyuki Tateiwa, Jiri Pospisil, Yoshinori Haga +1

The critical behavior of dc magnetization in the uranium ferromagnet URhAl with the hexagonal ZrNiAl-type crystal structure has been studied around the ferromagnetic transition tem…

cond-mat.str-el2018

Phenomenological approach to study the degree of the itinerancy of the electrons in actinide ferromagnets with spin fluctuation theory

Naoyuki Tateiwa, Jiri Pospisil, Yoshinori Haga +3

Actinide compounds with 5f electrons have been attracting much attention because of their interesting magnetic and electronic properties such as heavy fermion state, unconventional…

cond-mat.str-el2017★ 25 cited

Wing structure in the phase diagram of the Ising Ferromagnet URhGe close to its tricritical point investigated by angle-resolved magnetization measurements

Shota Nakamura, Toshiro Sakakibara, Yusei Shimizu +5

High-precision angle-resolved dc magnetization and magnetic torque studies were performed on a single-crystalline sample of URhGe, an orthorhombic Ising ferromagnet with the ax…

cond-mat.str-el2017★ 39 cited

Itinerant ferromagnetism in actinide 5f electrons system: Phenomenological analysis with spin fluctuation theory

Naoyuki Tateiwa, Jiri Pospisil, Yoshinori Haga +3

We have carried out an analysis of magnetic data in 69 uranium, 7 neptunium and 4 plutonium ferromagnets with the spin fluctuation theory developed by Takahashi (Y. Takahashi, J. P…

cond-mat.str-el2017★ 17 cited

Switching of magnetic ground states across the UIr1-xRhxGe alloy system

Jiri Pospisil, Yoshinori Haga, Shinsaku Kambe +8

We investigated the evolution of magnetism in the UIr1-xRhxGe system by the systematic study of high-quality single crystals. Lattice parameters of both parent compounds are very s…

cond-mat.str-el2017★ 10 cited

Effect of Pressure on Magnetism of UIrGe

Jiri Pospisil, Jun Gouchi, Yoshinori Haga +7

We report the effect of hydrostatic pressure on the electronic state of the antiferromagnet UIrGe, which is isostructural and isoelectronic with the ferromagnetic superconductors U…

cond-mat.str-el2015

Gradual localization of 5f states in orthorhombic UTX ferromagnets - polarized neutron diffraction study of Ru substituted UCoGe

Michal Valiska, Jiri Pospisil, Anne Stunault +13

We report on a microscopic study of the evolution of ferromagnetism in the Ru substituted ferromagnetic superconductor (FM SC) UCoGe crystallizing in the orthorhombic TiNiSi-type s…

cond-mat.str-el2014★ 17 cited

Evolution of ferromagnetic and non-Fermi liquid state with doping:the case of Ru doped UCoGe

Michal Vališka, Jiří Pospíšil, Vladimír Sechovský +2

We have investigated the impact of Ru substitution for Co on the behavior of the ferromagnetic superconductor UCoGe by performing x-ray diffraction, magnetization, specific heat an…

cond-mat.str-el2014

Properties and Collapse of the Ferromagnetism in UCo1-xRuxAl Studied in Single Crystals

Jiri Pospisil, Petr Opletal, Michal Valiska +10

We have investigated the ferromagnetic (FM) phase which suddenly develops in UCo1-xRuxAl and is isolated by paramagnetic regions on both sides from the parent UCoAl and URuAl. For…

cond-mat.str-el2010★ 27 cited

Samarium Magnetism Studied on SmPd2Al3 Single Crystal

J. Pospisil, M. Kratochvilova, J. Prokleska +2

In this paper, specific features of Sm magnetism in an intermetallic compound have been studied. For this purpose, a high-quality single crystal of SmPd2Al3 was grown and subjected…