Journal Article PUBDB-2025-01099

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Characterization of the Spin-Frustration in Doubly Ordered Perovskite NaYbZnWO$_6$ Obtained by High-Pressure Synthesis

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2025
American Chemical Society Washington, DC

Inorganic chemistry 64(8), 3677 - 3685 () [10.1021/acs.inorgchem.4c04122]
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Abstract: We present the high-pressure synthesis of a novel doubly ordered perovskite NaYbZnWO$_6$ composed of the rare earth magnetic Yb$^{3+}$ ions and its comprehensive magnetic characterization. The structure consists of alternating layers of Yb$^{3+}$ and Na$^+$ ions along the c-axis, with Yb$^{3+}$ ions forming slightly distorted two-dimensional (2D) square lattices of kite-shape (Yb$^{3+}$)4 units. Low-temperature magnetic susceptibility measurements indicate that the ground state of Yb$^{3+}$ can be described by an effective J$_{eff}$ = 1/2 Kramers doublet. Further, specific heat analysis reveals an internal magnetic field of the order of 1.48 K; however, magnetization data do not exhibit magnetic ordering down to 0.4 K. The spin exchanges of NaYbZnWO$_6$ evaluated by density functional theory (DFT) calculations unveil spin frustration in the compound. These findings suggest that NaYbZnWO$_6$ is a promising candidate for realizing a magnetically disordered quantum state.

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Contributing Institute(s):
  1. PETRA-D (FS-PETRA-D)
  2. DOOR-User (DOOR ; HAS-User)
Research Program(s):
  1. 631 - Matter – Dynamics, Mechanisms and Control (POF4-631) (POF4-631)
  2. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
  3. FS-Proposal: I-20221028 (I-20221028) (I-20221028)
  4. FS-Proposal: I-20210548 (I-20210548) (I-20210548)
  5. INDIA-DESY - INDIA-DESY Collaboration (2020_Join2-INDIA-DESY) (2020_Join2-INDIA-DESY)
Experiment(s):
  1. PETRA Beamline P61.2 (PETRA III)

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 Record created 2025-03-19, last modified 2025-07-15


Published on 2025-02-13. Available in OpenAccess from 2026-02-13.:
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