J. Phys. Soc. Jpn. 83, 104701 (2014) [5 Pages]
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Direct Observation of the Ground State of a 1/3 Quantum Magnetization Plateau in SrMn3P4O14 Using Neutron Diffraction Measurements

Masashi Hase1,, Vladimir Yu. Pomjakushin2, Andreas Dönni1, Tao Yang3, Rihong Cong3, and Jianhua Lin3
+ Affiliations
1National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0047, Japan2Laboratory for Neutron Scattering, Paul Scherrer Institut (PSI), CH-5232 Villigen PSI, Switzerland3College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, People’s Republic of China
Received May 9, 2014; Accepted July 28, 2014; Published September 3, 2014

We can directly investigate the ground state in magnetization-plateau fields (plateau ground state) by neutron diffraction measurements. We performed neutron diffraction measurements on the spin-5/2 trimer substance SrMn3P4O14 in magnetization-plateau fields. The integrated intensities of magnetic reflections calculated using an expectation value of each spin in a plateau ground state of an isolated-trimer model are in agreement with those obtained experimentally in the magnetization-plateau fields. We succeeded in the direct observation of a plateau ground state in SrMn3P4O14.

©2014 The Physical Society of Japan
https://doi.org/10.7566/JPSJ.83.104701

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