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DOI: 10.1039/D0CP90168G (Correction) Phys. Chem. Chem. Phys., 2020, 22, 17412-17412

Correction: Citrate combustion synthesized Al-doped CaCu3Ti4O12 quadruple perovskite: synthesis, characterization and multifunctional properties

Kamalesh Pal a, Arka Dey bc, Rajkumar Jana b, Partha P. Ray b, Parthasarathi Bera d, Lalit Kumar e, Tapas Kumar Mandal e, Paritosh Mohanty e, Md. Motin Seikh *f and Arup Gayen *a
aDepartment of Chemistry, Jadavpur University, Kolkata 700032, India. E-mail: agayenju@yahoo.com; arup.gayen@jadavpuruniversity.in; Fax: +91-33-2414-6223; Tel: +91-33-2457-2767
bDepartment of Physics, Jadavpur University, Kolkata 700032, India
cDepartment of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Kolkata 700106, India
dSurface Engineering Division, CSIR – National Aerospace Laboratories, Bengaluru, 560017, India
eDepartment of Chemistry and Centre of Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247667, India
fDepartment of Chemistry, Visva-Bharati, Santiniketan 731235, India. E-mail: mdmotin.seikh@visva-bharati.ac.in; Fax: +91-3463-262672; Tel: +91-9933052194

Received 17th July 2020 , Accepted 17th July 2020

First published on 24th July 2020

Abstract

Correction for ‘Citrate combustion synthesized Al-doped CaCu3Ti4O12 quadruple perovskite: synthesis, characterization and multifunctional properties’ by Kamalesh Pal et al., Phys. Chem. Chem. Phys., 2020, 22, 3499–3511, DOI: 10.1039/C9CP05005A.

The authors would like to make a correction to Table 1 in the published article, where some of the structural data reported do not correspond to the sample. The reported structural parameters in Table 1, namely the cell parameter (Å), RB (%), RF (%) and χ2, were interchanged between ACCTO1′ and CCTO′, and the atomic coordinate along the x-direction was typed in upper case. These are indicated in bold.

The corrected Table 1 is shown below.

Table 1 Summary of structural parameters of ACCTO1′ and CCTO′ (S.G. Im[3 with combining macron])
Sample Cell parameter (Å) R B (%) R F (%) χ 2 FWHM (β220°) 2θ (°) Crystallite size D (nm) Dislocation density δ (×10−3) Micro strain ε (×10−3)
ACCTO1′ 8.046(±2) 4.06 5.51 2.91 0.172 34.30 48 20.8 2.43
CCTO′ 7.393(±2) 3.01 5.12 2.37 0.126 34.26 67 14.9 1.78
Atom Ox. Wyck. Occ. x y z U
Ca +2 2a 1 0 0 0 0.0058
Cu +2 6b 1 0 1/2 1/2 0.0045
Ti/Al +4 8c 1 1/4 1/4 1/4 0.0053
O −2 24g 1 0.30410 0.17990 0 0.0089
Bond length (Å) Bond angle (°)
d Ca–O d Cu–O d Ti/Al–O ∠Ti–O–Ti ∠O–Cu–O ∠O–Ti–O
2.610 1.965 1.959 140.99 85.12 89.83

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.

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