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Title: Spin Seebeck effect in $$\mathrm{Cu_2 OSeO_3}$$: Test of bulk magnon spin current theory

Journal Article · · Physical Review B
 [1];  [2]; ORCiD logo [3];  [4];  [4]; ORCiD logo [1]
  1. Univ. of Miami, Miami, FL (United States)
  2. Univ. of Miami, Miami, FL (United States); St. Mary's College of Maryland, St. Mary's City, MD (United Staetes)
  3. Johns Hopkins Univ., Baltimore, MD (United States); National Inst. of Standards and Technology (NIST), Gaithersburg, MD (United States)
  4. Johns Hopkins Univ., Baltimore, MD (United States)

In this work, we report measurements of the low-temperature (T ≤ 15K) longitudinal spin Seebeck coefficient (SLSSE) in bulk single crystals of the helimagnetic insulator Cu2OSeO3 with Pt contacts. Simultaneous measurement of both SLSSE and the magnon thermal conductivity (κm) demonstrates their correlation and allows for quantitative and favorable comparison to bulk magnon spin current theory.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Institute for Quantum Matter (IQM); Univ. of Miami, FL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0008607; SC0019331
OSTI ID:
1656949
Alternate ID(s):
OSTI ID: 1605971
Journal Information:
Physical Review B, Vol. 101, Issue 10; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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