Low-temperature structural transitions in the phonon-glass thermoelectric material β-Zn 4 Sb 3 : Ordering of Zn interstitials and defects
(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
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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
.
- author
- Nylén, Johanna ; Lidin, Sven LU ; Andersson, Magnus LU ; Iversen, Bo Brummerstedt ; Liu, Hongxue ; Newman, Nate and Häussermann, Ulrich
- publishing date
- 2007-02-20
- 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
- 2022-01-31 18:51:56
@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}}, }