N2 Desorption in the Decomposition of Adsorbed N2O on Rh(110)

Suwen Liu, Hideyuki Horino, Anton Kokalj, Izabela Irena Rzeznicka, Kenji Imamura, Yunsheng Ma, Ivan Kobal, Yuichi Ohno, Atsuko Hiratsuka, Tatsuo Matsushima

研究成果: Article

34 引用 (Scopus)

抄録

The decomposition of N2O(a) was studied on Rh(110) at 95-200 K through the analysis of the angular distributions of desorbing N2 by means of angle-resolved thermal desorption. N2O(a) was highly decomposed during the heating procedures, emitting N2(g) and releasing O(a). N2 desorption showed four peaks, at 105-110 K (β4-N2), 120-130 K (β3-N 2), 140-150 K (β2-N2), and 160-165 K (β1-N2). The appearance of each peak was sensitive to annealing after oxygen adsorption and also to the amount of N2O exposure. The β1-N2 peak was major at low N 2O exposures and showed a cosine distribution. On the other hand, β2-N2 and β3-N2 on an oxygen-modified surface revealed inclined and sharp collimation at around 30° off the surface normal in the plane along the [001] direction, whereas β4-N2 on a clean surface collimated at around 70° off the surface normal, close to the [001] direction. An inclined or surface-parallel form of adsorbed N2O was proposed as the precursor for inclined N2 desorption.

元の言語English
ページ(範囲)3828-3834
ページ数7
ジャーナルJournal of Physical Chemistry B
108
発行部数12
出版物ステータスPublished - 2004 3 25
外部発表Yes

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Desorption
desorption
Decomposition
decomposition
Oxygen
Thermal desorption
Angular distribution
releasing
collimation
oxygen
angular distribution
Annealing
Heating
Adsorption
annealing
adsorption
heating
Direction compound

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

これを引用

Liu, S., Horino, H., Kokalj, A., Rzeznicka, I. I., Imamura, K., Ma, Y., ... Matsushima, T. (2004). N2 Desorption in the Decomposition of Adsorbed N2O on Rh(110). Journal of Physical Chemistry B, 108(12), 3828-3834.

N2 Desorption in the Decomposition of Adsorbed N2O on Rh(110). / Liu, Suwen; Horino, Hideyuki; Kokalj, Anton; Rzeznicka, Izabela Irena; Imamura, Kenji; Ma, Yunsheng; Kobal, Ivan; Ohno, Yuichi; Hiratsuka, Atsuko; Matsushima, Tatsuo.

:: Journal of Physical Chemistry B, 巻 108, 番号 12, 25.03.2004, p. 3828-3834.

研究成果: Article

Liu, S, Horino, H, Kokalj, A, Rzeznicka, II, Imamura, K, Ma, Y, Kobal, I, Ohno, Y, Hiratsuka, A & Matsushima, T 2004, 'N2 Desorption in the Decomposition of Adsorbed N2O on Rh(110)', Journal of Physical Chemistry B, 巻. 108, 番号 12, pp. 3828-3834.
Liu S, Horino H, Kokalj A, Rzeznicka II, Imamura K, Ma Y その他. N2 Desorption in the Decomposition of Adsorbed N2O on Rh(110). Journal of Physical Chemistry B. 2004 3 25;108(12):3828-3834.
Liu, Suwen ; Horino, Hideyuki ; Kokalj, Anton ; Rzeznicka, Izabela Irena ; Imamura, Kenji ; Ma, Yunsheng ; Kobal, Ivan ; Ohno, Yuichi ; Hiratsuka, Atsuko ; Matsushima, Tatsuo. / N2 Desorption in the Decomposition of Adsorbed N2O on Rh(110). :: Journal of Physical Chemistry B. 2004 ; 巻 108, 番号 12. pp. 3828-3834.
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abstract = "The decomposition of N2O(a) was studied on Rh(110) at 95-200 K through the analysis of the angular distributions of desorbing N2 by means of angle-resolved thermal desorption. N2O(a) was highly decomposed during the heating procedures, emitting N2(g) and releasing O(a). N2 desorption showed four peaks, at 105-110 K (β4-N2), 120-130 K (β3-N 2), 140-150 K (β2-N2), and 160-165 K (β1-N2). The appearance of each peak was sensitive to annealing after oxygen adsorption and also to the amount of N2O exposure. The β1-N2 peak was major at low N 2O exposures and showed a cosine distribution. On the other hand, β2-N2 and β3-N2 on an oxygen-modified surface revealed inclined and sharp collimation at around 30° off the surface normal in the plane along the [001] direction, whereas β4-N2 on a clean surface collimated at around 70° off the surface normal, close to the [001] direction. An inclined or surface-parallel form of adsorbed N2O was proposed as the precursor for inclined N2 desorption.",
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T1 - N2 Desorption in the Decomposition of Adsorbed N2O on Rh(110)

AU - Liu, Suwen

AU - Horino, Hideyuki

AU - Kokalj, Anton

AU - Rzeznicka, Izabela Irena

AU - Imamura, Kenji

AU - Ma, Yunsheng

AU - Kobal, Ivan

AU - Ohno, Yuichi

AU - Hiratsuka, Atsuko

AU - Matsushima, Tatsuo

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N2 - The decomposition of N2O(a) was studied on Rh(110) at 95-200 K through the analysis of the angular distributions of desorbing N2 by means of angle-resolved thermal desorption. N2O(a) was highly decomposed during the heating procedures, emitting N2(g) and releasing O(a). N2 desorption showed four peaks, at 105-110 K (β4-N2), 120-130 K (β3-N 2), 140-150 K (β2-N2), and 160-165 K (β1-N2). The appearance of each peak was sensitive to annealing after oxygen adsorption and also to the amount of N2O exposure. The β1-N2 peak was major at low N 2O exposures and showed a cosine distribution. On the other hand, β2-N2 and β3-N2 on an oxygen-modified surface revealed inclined and sharp collimation at around 30° off the surface normal in the plane along the [001] direction, whereas β4-N2 on a clean surface collimated at around 70° off the surface normal, close to the [001] direction. An inclined or surface-parallel form of adsorbed N2O was proposed as the precursor for inclined N2 desorption.

AB - The decomposition of N2O(a) was studied on Rh(110) at 95-200 K through the analysis of the angular distributions of desorbing N2 by means of angle-resolved thermal desorption. N2O(a) was highly decomposed during the heating procedures, emitting N2(g) and releasing O(a). N2 desorption showed four peaks, at 105-110 K (β4-N2), 120-130 K (β3-N 2), 140-150 K (β2-N2), and 160-165 K (β1-N2). The appearance of each peak was sensitive to annealing after oxygen adsorption and also to the amount of N2O exposure. The β1-N2 peak was major at low N 2O exposures and showed a cosine distribution. On the other hand, β2-N2 and β3-N2 on an oxygen-modified surface revealed inclined and sharp collimation at around 30° off the surface normal in the plane along the [001] direction, whereas β4-N2 on a clean surface collimated at around 70° off the surface normal, close to the [001] direction. An inclined or surface-parallel form of adsorbed N2O was proposed as the precursor for inclined N2 desorption.

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