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Record W2000211092 · doi:10.1103/physrevb.79.094423

Microwave investigation of the phase diagram of hexagonal multiferroic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mtext>HoMnO</mml:mtext></mml:mrow><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>

2009· article· lv· W2000211092 on OpenAlexafffund
Julien Camirand Lemyre, M. Poirier, L. Pinsard-Gaudart, A. Revcolevschi

Bibliographic record

VenuePhysical Review B · 2009
Typearticle
Languagelv
FieldMaterials Science
TopicMultiferroics and related materials
Canadian institutionsRegroupement Québécois sur les Matériaux de PointeUniversité de Sherbrooke
FundersNatural Sciences and Engineering Research Council of CanadaFonds Québécois de la Recherche sur la Nature et les Technologies
KeywordsPhase diagramMultiferroicsCondensed matter physicsManganitePhysicsMagnetic susceptibilityCrystal (programming language)DielectricNuclear magnetic resonancePhase (matter)Materials scienceFerroelectricityFerromagnetismQuantum mechanicsComputer science

Abstract

fetched live from OpenAlex

Using a microwave cavity perturbation technique at 16.5 GHz, we have investigated the complex dielectric and magnetic susceptibilities of the hexagonal multiferroic manganite ${\text{HoMnO}}_{3}$. The $c$-axis and $ab$-plane magnetic susceptibilities both appear to be dominated by the contribution of the ${\text{Ho}}^{3+}$ moments below 100 K. Along the same crystal orientations, Debye relaxation effects are found on the dielectric and magnetic-susceptibility functions above 100 K in a temperature range where unconventional magnetic fluctuations associated to the ${\text{Mn}}^{3+}$ moments are known to exist. At low temperatures, anomalies at the various phase transitions are observed on both susceptibility functions. These were investigated in magnetic fields up to 16 T and an $H\text{\ensuremath{-}}T$ phase diagram is deduced for the two crystal directions. Along the $c$ axis, the diagram is compared with the one found in the literature.

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.

How this classification was reachedexpand

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)0.002
metaresearch head score (Gemma)0.002
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Research integrity, Insufficient payload (model declined to judge)
Consensus categoriesInsufficient 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 score0.662
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.002
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.002
Bibliometrics0.0000.001
Science and technology studies0.0010.002
Scholarly communication0.0010.001
Open science0.0020.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.1110.002

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 head0.025
GPT teacher head0.281
Teacher spread0.256 · 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

Classification

machine, unvalidated

Machine predicted; both teacher heads agree on what is shown here.

Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations9
Published2009
Admission routes2
Has abstractyes

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Same venuePhysical Review BSame topicMultiferroics and related materialsFrench-language works237,207