Recent Results

Effects of A- and B-site codoping in layered YBaCuFeO5 type perovskites with high-TS magnetic spirals

Ruyong Li, Lukas Keller, Francois Fauth, Inés Puente Orench and Jose Luis Garcia-Muñoz

Physical Review B 112, 224440 (2025)

High-pressure investigation of the magnetic spiral stability in YBaCuFeO5

Ruyong Li, Arnau Romaguera, Kai Xu, Alejandro R. Goni, Norbert M. Nemes, Jose Luis Martinez, Stanislav Savvin, Oscar Fabelo, Catalin Popescu and Jose Luis Garcia-Muñoz

J. Alloys Compd. 1043, 184140 (2025)

Rare earth silicates as high-temperature surfactants for the controlled synthesis of ε-Fe2O3 nanoparticles

N. Khanam. Z. Ma, S. Ortiz Ropero, N. Dix, A. Vila Costa, J. Oró-Solé, J. L. García-Muñoz, J. Faraudo and M. Gich

J. Am. Chem. Soc. 147, 37, 33403–33412 (2025)

Discovery of a second type of high-TS magnetic spiral in layered YBaCuFeO5 type perovskites

Ruyong Li, Arnau Romaguera, Oscar Fabelo, Xiaodong Zhang, Francois Fauth and Jose Luis Garcia-Muñoz

Physical Review Research 7, 013304 (2025)

Evidence of high-temperature magnetic spiral in YBaCuFeO5 single-crystal by spherical neutron polarimetry

Arnau Romaguera, Oscar Fabelo, Navid Qureshi, J. A. Rodríguez-Velamazán and José Luis García-Muñoz

Communications Materials 5, 273 (2024)

Symmetry, magnetic transitions and multiferroic properties of B site ordered A2MnB’O6 perovskites (B’=[Co, Ni])

Jose Luis Garcia-Muñoz, Xiaodong Zhang, Gloria Subías and Javier Blasco

Acta Crystallographica Section B (2024), B80, 665–675

(Invited paper to a special issue on Magnetic Crystallography (IUCr) that reports the great progress made in the determination, reporting, and archiving of magnetic structures).

Disclosing the magnetic ground state of PrBaMn2O6

Javier Blasco, J.A. Rodríguez-Velamazán, Jose Luis Garcia-Muñoz and Gloria Subías

Low Temperature Physics 50(10) 817–824 (2024)

Pushing magnetic spirals beyond room temperature by reducing the uniaxial pyramidal elongation in layered Cu/Fe perovskites

Xiaodong Zhang, Arnau Romaguera, Oscar Fabelo, Francois Fauth, Javier Herrero-Martin and José Luis García-Muñoz

Physical Review Research 6, 033081 (2024)

Three charge-ordered phases in bilayered Pr(Sr0.1Ca0.9)2Mn2O7 compound: From antiferrodistortive to ferrodistortive structures

J. Blasco, V. Cuartero, S. Lafuerza, J. L. García Muñoz, F. Fauth and G. Subías

Physical Review B 109, 024111 (2024)

Magnetic properties of highly ordered single crystals with layered YBaCuFeO5 structure

Arnau Romaguera, Xiaodong Zhang, Ruyong Li, Oscar Fabelo and José Luis García-Muñoz

EPJ-WoC 286, 05005 (2023)

Helimagnets by disorder: Its role on the high-temperature magnetic spiral in the YBaCuFeO5 perovskite

Arnau Romaguera, Xiaodong Zhang, Oscar Fabelo, Francois Fauth, Javier Blasco and José Luis García-Muñoz

Physical Review Research 4, 043188 (2022)

Structural and magnetic properties of Ca3Mn2-xRuxO7 (0<x<0.9)

J. Blasco,*, J. A. Rodríguez-Velamazán, J. L. García-Muñoz, V. Cuartero, S. Lafuerza, and G. Subías

Physical Review B Vol. 106, 134403 (2022)

Magnetic order and magnetic properties of the oxygen deficient SmBaMn2O5 layered perovskite

J. Blasco, J.A. Rodríguez-Velamazán, G. Subías, M.C. Sánchez and J. L. García-Muñoz

Mater. Res. Bull. 150, 111780 (2022)

Magnetoelastic coupling behaviour of nanocrystalline ε-Fe2O3

C.R.S. Haines, M. Gich, J.L. García-Muñoz, A. Romaguera, Z. Ma, M.B. Costa, M.A. Carpenter

J. Magn. Magn. Mater. 170240 (2022)

Magnetic properties of a highly ordered single crystal of the layered perovskite YBaCuFe0.95Mn0.05O5

Xiaodong Zhang, Arnau Romaguera, Felip Sandiumenge, Oscar Fabelo, Javier Blasco, Javier Herrero-Martín and José Luis García-Muñoz

J. Magn. Magn. Mater. 551 (2022) 169165

Coexistence of structural and magnetic phases in van der Waals magnet CrI3

J. Meseguer-Sánchez, C. Popescu, J. L. García-Muñoz, H. Luetkens, G. Taniashvili, E. Navarro-Moratalla, Z. Guguchia, E. J. G. Santos

Nature Communications 12, 6265 (2021)

Tuning the tilting of the spiral plane by Mn doping in YBaCuFeO5 multiferroic

Xiaodong Zhang, Arnau Romaguera, Oscar Fabelo, Francois Fauth, Javier Herrero-Martín and Jose Luis Garcia-Muñoz

Acta Materialia 206 (2021) 116608 [10pp]

Determination of the Crystal Structures in the A-Site-Ordered YBaMn2O6 Perovskite

J. Blasco, G. Subías, J. L. García-Muñoz, F. Fauth, and J. García

J. Phys. Chem. C 125, 19467–19480 (2021)

Ferromagnetic metallic Sr-rich Ln1/2A1/2CoO3 cobaltites with spontaneous spin rotation

Jessica Padilla-Pantoja, Arnau Romaguera, Xiaodong Zhang, Javier Herrero-Martín, Francois Fauth, Javier Blasco and José Luis García-Muñoz

Physical Review B 104, 054411 (2021)

Structure and phase transitions in A-site ordered RBaMn2O6 (R = Pr, Nd) perovskites with a polar ground state

J. Blasco, G. Subías, M. L. Sanjuán, J. L. García-Muñoz, F. Fauth, and J. García

Physical Review B 103, 064105 (2021)

Magnetocapacitance effect and magnetoelectric coupling in type-II multiferroic HoFeWO6

Moein Adnani, Melissa Gooch, Liangzi Deng, Stefano Agrestini, Javier Herrero-Martin, Hung-Cheng Wu, Chung-Kai Chang, Taha Salavati-fard, Narayan Poudel, José Luis García-Muñoz, Samira Daneshmandi, Zheng Wu, Lars C. Grabow, Yen-Chung Lai, Hung-Duen Yang, Eric Pellegrin, and Ching-Wu Chu

Physical Review B 103, 094110 (2021)