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Low-temperature structural transitions in the phonon-glass thermoelectric material β-Zn 4 Sb 3 : Ordering of Zn interstitials and defects

Nylén, Johanna ; Lidin, Sven LU ; Andersson, Magnus LU ; Iversen, Bo Brummerstedt ; Liu, Hongxue ; Newman, Nate and Häussermann, Ulrich (2007) In Chemistry of Materials 19(4). p.834-838
Abstract


The low-temperature phase transitions of thermoelectric Zr
4
Sb
3
have been characterized using singlecrystal X-ray diffraction, electrical resistance, and thermal conductivity measurements. Room-temperature stable, disordered β-Zn
4
Sb
3
undergoes a phase transition at 254 K to ordered α-n
4
Sb
... (More)


The low-temperature phase transitions of thermoelectric Zr
4
Sb
3
have been characterized using singlecrystal X-ray diffraction, electrical resistance, and thermal conductivity measurements. Room-temperature stable, disordered β-Zn
4
Sb
3
undergoes a phase transition at 254 K to ordered α-n
4
Sb
3
, which has an ideal composition Zn
4
Sb
10
. Below 235 K, a second low-temperature phase (α′-Zn
4
Sb
3
) can be detected. The sequence of phase transitions β-α-α′ is reversible. The α-α′ transformation originates from a slight Zn deficiency with respect to Zn
13
Sb
10
Sb
10
. The actual composition of n
4
Sb
3
is Zn
13
-δSb
10
.

(Less)
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author
; ; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
in
Chemistry of Materials
volume
19
issue
4
pages
5 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • scopus:33947153872
ISSN
0897-4756
DOI
10.1021/cm062384j
language
English
LU publication?
no
id
a5051928-4d74-47bc-bf6f-895c855182bf
date added to LUP
2019-04-08 15:17:42
date last changed
2025-10-14 09:05:52
@article{a5051928-4d74-47bc-bf6f-895c855182bf,
  abstract     = {{<p><br>
                            The low-temperature phase transitions of thermoelectric Zr <br>
                            <sub>4</sub><br>
                            Sb<br>
                            <sub>3</sub><br>
                             have been characterized using singlecrystal X-ray diffraction, electrical resistance, and thermal conductivity measurements. Room-temperature stable, disordered β-Zn<br>
                            <sub>4</sub><br>
                            Sb<br>
                            <sub>3</sub><br>
                             undergoes a phase transition at 254 K to ordered α-n<br>
                            <sub>4</sub><br>
                            Sb <br>
                            <sub>3</sub><br>
                            , which has an ideal composition Zn<br>
                            <sub>4</sub><br>
                            Sb<br>
                            <sub>10</sub><br>
                            . Below 235 K, a second low-temperature phase (α′-Zn <br>
                            <sub>4</sub><br>
                            Sb<br>
                            <sub>3</sub><br>
                            ) can be detected. The sequence of phase transitions β-α-α′ is reversible. The α-α′ transformation originates from a slight Zn deficiency with respect to Zn <br>
                            <sub>13</sub><br>
                            Sb<br>
                            <sub>10</sub><br>
                            Sb<br>
                            <sub>10</sub><br>
                            . The actual composition of n <br>
                            <sub>4</sub><br>
                            Sb<br>
                            <sub>3</sub><br>
                             is Zn<br>
                            <sub>13</sub><br>
                            -δSb<br>
                            <sub>10</sub><br>
                            .</p>}},
  author       = {{Nylén, Johanna and Lidin, Sven and Andersson, Magnus and Iversen, Bo Brummerstedt and Liu, Hongxue and Newman, Nate and Häussermann, Ulrich}},
  issn         = {{0897-4756}},
  language     = {{eng}},
  month        = {{02}},
  number       = {{4}},
  pages        = {{834--838}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Chemistry of Materials}},
  title        = {{Low-temperature structural transitions in the phonon-glass thermoelectric material β-Zn
                        <sub>4</sub>
                        Sb
                        <sub>3</sub> : Ordering of Zn interstitials and defects}},
  url          = {{http://dx.doi.org/10.1021/cm062384j}},
  doi          = {{10.1021/cm062384j}},
  volume       = {{19}},
  year         = {{2007}},
}