Quantitative phase analysis of boron nitride nanotubes using Rietveld refinement

Yong Il Kim; Jae Kap Jung; Kwon Sang Ryu; Seung Hoon Nahm; Duncan H. Gregory

doi:10.1088/0022-3727/38/8/004

Quantitative phase analysis of boron nitride nanotubes using Rietveld refinement

Yong Il Kim, Jae Kap Jung, Kwon Sang Ryu, Seung Hoon Nahm, Duncan H. Gregory

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Crystalline boron nitride nanotubes (BNNTs) with an average outer diameter of about 40 nm and several micrometres in length were synthesized by chemical vapour deposition from boron and magnesium oxide. Rietveld refinement and ¹¹B solid-state nuclear magnetic resonance (NMR) spectroscopy were employed to quantitatively determine the phase of synthesized BNNTs. The structural parameters for the BNNTs were determined by Rietveld refinement against powder x-ray diffraction data with a model based on the results of NMR analysis. The final weighted R -factor, R_wp, was 6.08% and the goodness-of-fit indicator, S (= R_wp/R_e), was 1.52. The BNNTs consisted of hexagonal BN, rhombohedral BN and MgO with refined weight fractions of 76.3%, 21.2% and 2.5%, respectively.

Original language	English
Pages (from-to)	1127-1131
Number of pages	5
Journal	Journal of Physics D: Applied Physics
Volume	38
Issue number	8
DOIs	https://doi.org/10.1088/0022-3727/38/8/004
Publication status	Published - Apr 21 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Acoustics and Ultrasonics
Surfaces, Coatings and Films

Access to Document

10.1088/0022-3727/38/8/004

Cite this

@article{c1a025b1bc754ac7a35c00662233fcde,

title = "Quantitative phase analysis of boron nitride nanotubes using Rietveld refinement",

abstract = "Crystalline boron nitride nanotubes (BNNTs) with an average outer diameter of about 40 nm and several micrometres in length were synthesized by chemical vapour deposition from boron and magnesium oxide. Rietveld refinement and 11B solid-state nuclear magnetic resonance (NMR) spectroscopy were employed to quantitatively determine the phase of synthesized BNNTs. The structural parameters for the BNNTs were determined by Rietveld refinement against powder x-ray diffraction data with a model based on the results of NMR analysis. The final weighted R -factor, Rwp, was 6.08% and the goodness-of-fit indicator, S (= Rwp/Re), was 1.52. The BNNTs consisted of hexagonal BN, rhombohedral BN and MgO with refined weight fractions of 76.3%, 21.2% and 2.5%, respectively.",

author = "Kim, {Yong Il} and Jung, {Jae Kap} and Ryu, {Kwon Sang} and Nahm, {Seung Hoon} and Gregory, {Duncan H.}",

year = "2005",

month = apr,

day = "21",

doi = "10.1088/0022-3727/38/8/004",

language = "English",

volume = "38",

pages = "1127--1131",

journal = "Journal of Physics D: Applied Physics",

issn = "0022-3727",

publisher = "IOP Publishing Ltd.",

number = "8",

}

TY - JOUR

T1 - Quantitative phase analysis of boron nitride nanotubes using Rietveld refinement

AU - Kim, Yong Il

AU - Jung, Jae Kap

AU - Ryu, Kwon Sang

AU - Nahm, Seung Hoon

AU - Gregory, Duncan H.

PY - 2005/4/21

Y1 - 2005/4/21

N2 - Crystalline boron nitride nanotubes (BNNTs) with an average outer diameter of about 40 nm and several micrometres in length were synthesized by chemical vapour deposition from boron and magnesium oxide. Rietveld refinement and 11B solid-state nuclear magnetic resonance (NMR) spectroscopy were employed to quantitatively determine the phase of synthesized BNNTs. The structural parameters for the BNNTs were determined by Rietveld refinement against powder x-ray diffraction data with a model based on the results of NMR analysis. The final weighted R -factor, Rwp, was 6.08% and the goodness-of-fit indicator, S (= Rwp/Re), was 1.52. The BNNTs consisted of hexagonal BN, rhombohedral BN and MgO with refined weight fractions of 76.3%, 21.2% and 2.5%, respectively.

AB - Crystalline boron nitride nanotubes (BNNTs) with an average outer diameter of about 40 nm and several micrometres in length were synthesized by chemical vapour deposition from boron and magnesium oxide. Rietveld refinement and 11B solid-state nuclear magnetic resonance (NMR) spectroscopy were employed to quantitatively determine the phase of synthesized BNNTs. The structural parameters for the BNNTs were determined by Rietveld refinement against powder x-ray diffraction data with a model based on the results of NMR analysis. The final weighted R -factor, Rwp, was 6.08% and the goodness-of-fit indicator, S (= Rwp/Re), was 1.52. The BNNTs consisted of hexagonal BN, rhombohedral BN and MgO with refined weight fractions of 76.3%, 21.2% and 2.5%, respectively.

UR - http://www.scopus.com/inward/record.url?scp=24144500791&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=24144500791&partnerID=8YFLogxK

U2 - 10.1088/0022-3727/38/8/004

DO - 10.1088/0022-3727/38/8/004

M3 - Article

AN - SCOPUS:24144500791

SN - 0022-3727

VL - 38

SP - 1127

EP - 1131

JO - Journal of Physics D: Applied Physics

JF - Journal of Physics D: Applied Physics

IS - 8

ER -

Quantitative phase analysis of boron nitride nanotubes using Rietveld refinement

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this