Transverse vibrations driven negative thermal expansion in a metallic compound GdPd3B0.25C0.75
Abstract
We have observed negative thermal expansion (NTE) in a metallic, polycrystalline, and structurally ordered cubic compound GdPd3B0.25C0.75. Our analysis suggest that the NTE observed in this compound does not stems from valence or magnetic instability of lattice ions, which is in general the case of metallic compounds exhibiting such an anomaly. We propose a possible alternative mechanism, namely, the transverse vibrations at low temperatures arising from site anisotropy, that induce the lattice contraction thereby resulting in isotropic NTE. The observed NTE also reflects its effect on the electrical transport properties of this compounds.
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Data generated by an IMU may be incomplete, imprecise, or prone to error because accelerometer data may be tainted by gravitational force, nearby magnetic disturbances may affect magnetometer measurements, and gyroscope data may drift due to unbounded time-varying factors.
“Data generated by an IMU may be incomplete, imprecise, or prone to error, due to (i) accelerometer data may be tainted by a gravitational force experienced by the IMU device [29], (ii) nearby magnetic disturbances may affect magnetometer measurements, and (iii) gyroscope data may drift due to unbounded time-varying factors [30].”
From Review of Wearable Devices and Data Collection Considerations for Connected Health (2021) · cites this paper as [29]
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References 13 · Cited by 20
- Authors
- Pandey, A., Mazumdar, C., Ranganathan, R., Tripathi, S., Pandey, D., & Dattagupta, S.
- Affiliations
- Saha Institute of Nuclear Physics (IN)
- Banaras Hindu University (IN)
- Indian Institute of Science Education and Research Kolkata (IN)
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2008-06-30
- Volume
- 92
- Issue
- 26
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1538661599
- Cited by
- 20
- References
- 13
- Citations by year
- 2023: 1 · 2021: 1 · 2020: 1 · 2018: 2 · 2017: 2 · 2016: 2 · 2012: 1
- FWCI
- 1.70
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Applied Physics Letters (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Thermal Expansion and Ionic Conductivity
- Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Rare-earth and actinide compounds
- Physical Sciences › Engineering › Mechanical Engineering › Cellular and Composite Structures
- Keywords
- negative thermal expansion, cubic intermetallic compounds, lattice contraction, electrical transport properties
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