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Effect of structural distortion and nature of bonding on the electronic properties of defect and Li doped CulnSe2Chalcopyrite Semiconductors

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Surabala Mishra, Biplab Ganguli

Materials Science · Submitted 3 Mar 2011

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

The authors' main claim The band gap reduces by 59.57%, 23.61% and 48.82% due to p-d hybridization and reduces by 16.85%, 9.10% and 0.92% due to structural distortion for CuInSe2, CuIn2Se4 and Cu0.5Li0.5InSe2 respectively.

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arXiv ID1103.0614 (version 1)
Pith IDHB7P27C6, Pith's permanent record of this paper and its review
CitationBiplab Ganguli, Surabala Mishra. "Effect of structural distortion and nature of bonding on the electronic properties of defect and Li doped CulnSe2Chalcopyrite Semiconductors." arXiv:1103.0614 (2011). https://pith.science/paper/HB7P27C6
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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, 6,402 input tokens, $0.0003 reported.

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.95 · human participants 0.01 · controlled comparison 0.13 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.92 · mentions code or data availability 0.02.

The abstract, sentence by sentence

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

We report the structural and electronic properties of chalcopyrite semiconductors CuInSe2, CuIn2 Se4 and Cu0.5Li0.5InSe2. Our calculation is based on Density functional Theory within tight binding linear muffin-tin orbital (TB-LMTO) method. The calculated lattice constants, anion displacement (u), tetragonal distortion ({\eta} = c/2a) and bond lengths agree well with experimental values. Our result shows these compounds are direct band gap semiconductors. Our calculated band gaps, 0.79eV and 1.08 eV of CuInSe2 and Cu0.5Li0.5InSe2 respectively agree well with the experimental values within the limitation of LDA. The band gap of CuIn2Se4 is found to be 1.50 eV. The band gap reduces by 59.57%, 23.61% and 48.82% due to p-d hybridization and reduces by 16.85%, 9.10% and 0.92% due to structural distortion for CuInSe2, CuIn2Se4 and Cu0.5Li0.5InSe2 respectively. We also discuss the effect of bond nature on electronic properties of all three compounds.

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 report the structural and electronic properties of chalcopyrite semiconductors CuInSe2, CuIn2 Se4 and Cu0.5Li0.5InSe2. contribution 1.00 0.85 0.05 asserted 0.89
s1 Our calculation is based on Density functional Theory within tight binding linear muffin-tin orbital (TB-LMTO) method. method 1.00 0.81 0.02 asserted 0.99
s2 The calculated lattice constants, anion displacement (u), tetragonal distortion ({\eta} = c/2a) and bond lengths agree well with experimental values. result 1.00 0.89 0.05 asserted 0.99
s3 Our result shows these compounds are direct band gap semiconductors. result 1.00 0.92 0.20 asserted 1.00
s4 Our calculated band gaps, 0.79eV and 1.08 eV of CuInSe2 and Cu0.5Li0.5InSe2 respectively agree well with the experimental values within the limitation of LDA. result 1.00 0.96 0.17 asserted 0.99
s5 The band gap of CuIn2Se4 is found to be 1.50 eV. result 1.00 0.96 0.08 asserted 1.00
s6 The band gap reduces by 59.57%, 23.61% and 48.82% due to p-d hybridization and reduces by 16.85%, 9.10% and 0.92% due to structural distortion for CuInSe2, CuIn2Se4 and Cu0.5Li0.5InSe2 respectively. result 0.87 0.90 0.45 asserted 1.00
s7 We also discuss the effect of bond nature on electronic properties of all three compounds. contribution 1.00 0.82 0.05 unclear 0.69

What kind of paper the classifier reports this is: simulation study 1.00 · evidence from simulation or computation 1.00.

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  • full text
  • figures and tables
  • references and citing sentences
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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 report the structural and electronic properties of chalcopyrite semiconductors CuInSe2, CuIn2 Se4 and Cu0.5Li0.5InSe2. Our calculation is based on Density functional Theory within tight binding linear muffin-tin orbital (TB-LMTO) method. The calculated lattice constants, anion displacement (u), tetragonal distortion ({\eta} = c/2a) and bond lengths agree well with experimental values. Our result shows these compounds are direct band gap semiconductors. Our calculated band gaps, 0.79eV and 1.08 eV of CuInSe2 and Cu0.5Li0.5InSe2 respectively agree well with the experimental values within the limitation of LDA. The band gap of CuIn2Se4 is found to be 1.50 eV. The band gap reduces by 59.57%, 23.61% and 48.82% due to p-d hybridization and reduces by 16.85%, 9.10% and 0.92% due to structural distortion for CuInSe2, CuIn2Se4 and Cu0.5Li0.5InSe2 respectively. We also discuss the effect of bond nature on electronic properties of all three compounds.

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