Intertwined magnetic sublattices in the double perovskite compound LaSrNiReO6
Artikel i vetenskaplig tidskrift, 2020

We report a muon spin rotation (μ+SR) study of the magnetic properties of the double perovskite compound LaSrNiReO6. Using the unique length and time scales of the μ+SR technique, we successfully clarify the magnetic ground state of LaSrNiReO6, which was previously deemed as a spin glass state. Instead, our μ+SR results point toward a long-range dynamically ordered ground state below TC=23 K, for which a static limit is foreseen at T=0. Furthermore, between 23K<T≤300K, three different magnetic phases are identified: a dense (23K<T<75K), a dilute (75K≤T≤250K), and a paramagnetic (T>250 K) state. Our results reveal how two separate yet intertwined magnetic lattices interact within the unique double perovskite structure and the importance of using complementary experimental techniques to obtain a complete understanding of the microscopic magnetic properties of complex materials.


Ola Kenji Forslund

Kungliga Tekniska Högskolan (KTH)

Konstantinos Papadopoulos

Chalmers, Fysik, Materialfysik

E. Nocerino

Kungliga Tekniska Högskolan (KTH)

Gerald Morris


Bassam Hitti


Donald Arseneau


V. Pomjakushin

Paul Scherrer Institut

Nami Matsubara

Kungliga Tekniska Högskolan (KTH)

Jean Christophe Orain

Paul Scherrer Institut

P Svedlindh

Uppsala universitet

Daniel Andreica

Universitatea Babes-Bolyai

Somnath Jana

Indian Association for the Cultivation of Science

Jun Sugiyama

Comprehensive Research Organization for Science and Society (CROSS)

Martin Månsson

Kungliga Tekniska Högskolan (KTH)

Yasmine Sassa

Chalmers, Fysik, Materialfysik

Physical Review B

24699950 (ISSN) 24699969 (eISSN)

Vol. 102 14 144409


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