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Influence of crystalline electric field on the magnetic properties of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>CeCd</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>X</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:mspace width="0.28em"/><mml:mrow><mml:mo>(</mml:mo><mml:mi>X</mml:mi><mml:mo>=</mml:mo><mml:mrow><mml:mi mathvariant="normal">P</mml:mi><mml:mo>,</mml:mo><mml:mi>As</mml:mi></mml:mrow><mml:mo>)</mml:mo></mml:mrow></mml:mrow></mml:math>

2023· article· lv· W4317899009 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenuePhysical Review Materials · 2023
Typearticle
Languagelv
FieldPhysics and Astronomy
TopicRare-earth and actinide compounds
Canadian institutionsSimon Fraser University
FundersNatural Sciences and Engineering Research Council of CanadaMinistry of Science and ICT, South KoreaNational Research Foundation of KoreaCanada Foundation for InnovationCanada Research ChairsNational Research Foundation
KeywordsCondensed matter physicsMagnetizationMagnetic susceptibilitySeebeck coefficientMaterials scienceMagnetic momentMagnetocrystalline anisotropyPhysicsMagnetismElectrical resistivity and conductivityMagnetic fieldMagnetic anisotropyQuantum mechanics

Abstract

fetched live from OpenAlex

${\mathrm{CeCd}}_{3}{\mathrm{P}}_{3}$ and ${\mathrm{CeCd}}_{3}{\mathrm{As}}_{3}$ compounds adopt the hexagonal ${\mathrm{ScAl}}_{3}{\mathrm{C}}_{3}$-type structure, where magnetic Ce ions on a triangular lattice order antiferromagnetically below ${T}_{\text{N}}\ensuremath{\sim}0.42$ K. Their crystalline electric field (CEF) level scheme has been determined by fitting magnetic susceptibility curves, magnetization isotherms, and Schottky anomalies in specific heat. The calculated results, incorporating the CEF excitation, Zeeman splitting, and molecular field, are in good agreement with the experimental data. The CEF model, with ${\mathrm{Ce}}^{3+}$ ions in a trigonal symmetry, explains the strong easy-plane magnetic anisotropy that has been observed in this family of materials. A detailed examination of the CEF parameters suggests that the fourth-order CEF parameter ${B}_{4}^{3}$ is responsible for the strong CEF-induced magnetocrystalline anisotropy, with a large $ab$-plane moment and a small $c$-axis moment. The reliability of our CEF analysis is assessed by comparing the current study with earlier reports of ${\mathrm{CeCd}}_{3}{\mathrm{As}}_{3}$. For both ${\mathrm{CeCd}}_{3}{X}_{3}$ ($X=\mathrm{P}$ and As) compounds, less than 40% of $Rln(2)$ magnetic entropy is recovered by ${T}_{\text{N}}$ and full $Rln(2)$ entropy is achieved at the Weiss temperature ${\ensuremath{\theta}}_{p}$. Although the observed magnetic entropy is reminiscent of delocalized $4f$-electron magnetism with significant Kondo screening, the electrical resistivity of these compounds follows a typical metallic behavior. Measurements of thermoelectric power further validate the absence of a Kondo contribution in ${\mathrm{CeCd}}_{3}{X}_{3}$.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.007
metaresearch head score (Gemma)0.006
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies, Scholarly communication, Open science, Research integrity, Insufficient payload (model declined to judge)
Consensus categoriesMeta-epidemiology (narrow), Science and technology studies, Research integrity, Insufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.913
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0070.006
Meta-epidemiology (narrow)0.0030.007
Meta-epidemiology (broad)0.0020.007
Bibliometrics0.0020.005
Science and technology studies0.0050.005
Scholarly communication0.0050.005
Open science0.0080.007
Research integrity0.0060.006
Insufficient payload (model declined to judge)0.6650.008

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.018
GPT teacher head0.243
Teacher spread0.225 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it