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Record W2053149051 · doi:10.1021/jp070457w

Preparation and Reversible Phase Transfer of CoFe<sub>2</sub>O<sub>4</sub> Nanoparticles

2007· article· en· W2053149051 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.

Bibliographic record

VenueThe Journal of Physical Chemistry C · 2007
Typearticle
Languageen
FieldMaterials Science
TopicMagnetic Properties and Synthesis of Ferrites
Canadian institutionsNational Research Council Canada
Fundersnot available
KeywordsNanoparticlePhase (matter)Transmission electron microscopyPrecipitationAqueous solutionSolventChemical engineeringMaterials scienceElectron transferDiffractionChemistryAnalytical Chemistry (journal)NanotechnologyOrganic chemistryOptics

Abstract

fetched live from OpenAlex

In this paper, we present a chemical co-precipitation approach in aqueous solution to prepare a highly crystalline monodispersed CoFe 2 O 4 magnetic nanoparticles coated with oleic acid. These products can be transferred into organic solvent by adjusting to pH 5 under the effect of HCl and re-transferred into water phase from organic phase completely under the effect of (CH 3 CH 2 ) 3 N by adjusting the added amount into the water phase. X-ray diffraction, energy-dispersive spectrometry, transmission electron microscopy, and UV−vis spectra were used to characterize these nanoparticles and their reversible phase transfer. The properties of the reversible phase transfer imply the novel CoFe 2 O 4 products have great potential applications in nanotechnology.

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)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.004
Threshold uncertainty score0.336

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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 head0.012
GPT teacher head0.250
Teacher spread0.238 · 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