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Physical characteristics and cation distribution of NiFe2O4 thin films with high resistivity prepared by reactive co-sputtering

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Paper breakdownThe authors' claims, conditions and measurements, as JSON Signed receiptProof this review has not been altered
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Christoph Klewe, Markus Meinert, Alexander Boehnke, Karsten Kuepper, Elke Arenholz, Arunava Gupta, Jan-Michael Schmalhorst, Timo Kuschel
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Guenter Reiss

Materials Science · Submitted 4 Dec 2013

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim By comparison with multiplet calculations of the spectra we found that the cation valencies are to a large extent Ni2+ and Fe3+.

how it is stated · asserted 0.87 read the record →

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arXiv ID1312.1086 (version 1)
Pith IDRZMPYGIY, Pith's permanent record of this paper and its review
CitationAlexander Boehnke, Arunava Gupta, Christoph Klewe, Elke Arenholz, Guenter Reiss, Jan-Michael Schmalhorst, Karsten Kuepper, Markus Meinert, Timo Kuschel. "Physical characteristics and cation distribution of NiFe2O4 thin films with high resistivity prepared by reactive co-sputtering." arXiv:1312.1086 (2013). https://pith.science/paper/RZMPYGIY
Claim paper

The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 5,595 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.02 · states limitation 0.18 · human participants 0.01 · controlled comparison 0.13 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.94 · mentions code or data availability 0.01.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

We fabricated NiFe2O thin films on MgAl2O4 (001) substrates by reactive dc magnetron co-sputtering in a pure oxygen atmosphere at different substrate temperatures. The film properties were investigated by various techniques with a focus on their structure, surface topography, magnetic characteristics, and transport properties. Structural analysis revealed a good crystallization with epitaxial growth and low roughness and a similar quality as in films grown by pulsed laser deposition. Electrical conductivity measurements showed high room temperature resistivity (12 Ohmm), but low activation energy, indicating an extrinsic transport mechanism. A band gap of about 1.55 eV was found by optical spectroscopy. Detailed x-ray spectroscopy studies confirmed the samples to be ferrimagnetic with fully compensated Fe moments. By comparison with multiplet calculations of the spectra we found that the cation valencies are to a large extent Ni2+ and Fe3+.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 We fabricated NiFe2O thin films on MgAl2O4 (001) substrates by reactive dc magnetron co-sputtering in a pure oxygen atmosphere at different substrate temperatures. method 0.97 0.97 0.03 asserted 1.00
s1 The film properties were investigated by various techniques with a focus on their structure, surface topography, magnetic characteristics, and transport properties. method 0.76 0.90 0.03 asserted 0.94
s2 Structural analysis revealed a good crystallization with epitaxial growth and low roughness and a similar quality as in films grown by pulsed laser deposition. result 1.00 0.90 0.11 asserted 1.00
s3 Electrical conductivity measurements showed high room temperature resistivity (12 Ohmm), but low activation energy, indicating an extrinsic transport mechanism. result 0.93 0.95 0.18 asserted 0.83
s4 A band gap of about 1.55 eV was found by optical spectroscopy. result 1.00 0.95 0.07 asserted 1.00
s5 Detailed x-ray spectroscopy studies confirmed the samples to be ferrimagnetic with fully compensated Fe moments. result 1.00 0.93 0.18 asserted 1.00
s6 By comparison with multiplet calculations of the spectra we found that the cation valencies are to a large extent Ni2+ and Fe3+. result 0.94 0.96 0.32 asserted 0.87

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from observation or experiment 1.00.

What was examined, and what was not

sources read
  • arXiv listing abstract v1
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

We fabricated NiFe2O thin films on MgAl2O4 (001) substrates by reactive dc magnetron co-sputtering in a pure oxygen atmosphere at different substrate temperatures. The film properties were investigated by various techniques with a focus on their structure, surface topography, magnetic characteristics, and transport properties. Structural analysis revealed a good crystallization with epitaxial growth and low roughness and a similar quality as in films grown by pulsed laser deposition. Electrical conductivity measurements showed high room temperature resistivity (12 Ohmm), but low activation energy, indicating an extrinsic transport mechanism. A band gap of about 1.55 eV was found by optical spectroscopy. Detailed x-ray spectroscopy studies confirmed the samples to be ferrimagnetic with fully compensated Fe moments. By comparison with multiplet calculations of the spectra we found that the cation valencies are to a large extent Ni2+ and Fe3+.

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Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

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