JP2009059882A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2009059882A JP2009059882A JP2007225689A JP2007225689A JP2009059882A JP 2009059882 A JP2009059882 A JP 2009059882A JP 2007225689 A JP2007225689 A JP 2007225689A JP 2007225689 A JP2007225689 A JP 2007225689A JP 2009059882 A JP2009059882 A JP 2009059882A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/691—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator comprising metallic compounds, e.g. metal oxides or metal silicates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01304—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H10D64/01318—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of alloy material, compound material or organic material contacting the insulator, e.g. TiN
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/667—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of alloy material, compound material or organic material contacting the insulator, e.g. TiN workfunction layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/681—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered
- H10D64/685—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered being perpendicular to the channel plane
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0212—Manufacture or treatment of FETs having insulated gates [IGFET] using self-aligned silicidation
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
- H10P14/6921—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon
- H10P14/6922—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material containing Si, O and at least one of H, N, C, F or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H10P14/6927—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material containing Si, O and at least one of H, N, C, F or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being a silicon oxynitride, e.g. SiON or SiON:H
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
- H10P14/6921—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon
- H10P14/6928—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
- H10P14/6921—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon
- H10P14/6928—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides
- H10P14/693—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides the material containing hafnium, e.g. HfSiOx or HfSiON
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Physical Vapour Deposition (AREA)
- Electrodes Of Semiconductors (AREA)
- Formation Of Insulating Films (AREA)
Abstract
【解決手段】絶縁ゲート電界効果トランジスタを有する半導体装置であって、この絶縁ゲート電界効果トランジスタは、高誘電率膜を含むゲート絶縁膜と、第1の導電層およびこの第1の導電層より抵抗率の低い第2の導電層を含む積層構造をもつゲート電極を有し、第1の導電層は、前記高誘電率膜上に接して設けられ、密度5g/cm3以上の窒化チタンからなる半導体装置。
【選択図】図1
Description
前記絶縁ゲート電界効果トランジスタは、
高誘電率膜を含むゲート絶縁膜と、
第1の導電層およびこの第1の導電層より抵抗率の低い第2の導電層を含む積層構造をもつゲート電極を有し、
前記第1の導電層は、前記高誘電率膜上に接して設けられ、密度5g/cm3以上の窒化チタンからなる半導体装置が提供される。
2:シリコン酸化膜
3:窒化ハフニウムシリケート膜
4:窒化チタン層
5:タングステン層
6:エクステンション領域
7:ゲート側壁
8:ソース・ドレイン領域
9:Niシリサイド層
10:層間絶縁膜
11:コンタクトプラグ
12:配線
Claims (9)
- 絶縁ゲート電界効果トランジスタを有する半導体装置であって、
前記絶縁ゲート電界効果トランジスタは、
高誘電率膜を含むゲート絶縁膜と、
第1の導電層およびこの第1の導電層より抵抗率の低い第2の導電層を含む積層構造をもつゲート電極を有し、
前記第1の導電層は、前記高誘電率膜上に接して設けられ、密度5g/cm3以上の窒化チタンからなる半導体装置。 - 前記第1の導電層は、密度5.5g/cm3以上の窒化チタンからなる請求項1に記載の半導体装置。
- 前記第1の導電層は、{100}配向の窒化チタンからなる請求項1又は2に記載の半導体装置。
- 前記第2の導電層が金属からなる請求項1から3のいずれかに記載の半導体装置。
- 前記第2の導電層がタングステン又はモリブデンからなる請求項1から3のいずれかに記載の半導体装置。
- 前記第2の導電層が、シリサイド層とn型またはp型の多結晶シリコン層を含む積層構造を有する請求項1から3のいずれかに記載の半導体装置。
- 前記シリサイド層が、少なくともNiとSiとからなるシリサイド層である請求項6に記載の半導体装置。
- 前記高誘電率膜が、窒化酸化シリコン、窒化ハフニウムシリケート、ハフニウムシリケート、ハフニア、ジルコニウムシリケート、ジルコニア、ハフニウムアルミネート、ランタンオキサイド、アルミナ、セリア、イットリア、及びガドリニアから選ばれる少なくとも一種の材料からなる請求項1から7のいずれかに記載の半導体装置。
- 前記高誘電率膜がハフニウム含有酸化物からなる請求項1から7のいずれかに記載の半導体装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007225689A JP2009059882A (ja) | 2007-08-31 | 2007-08-31 | 半導体装置 |
| CNA200810211186XA CN101378077A (zh) | 2007-08-31 | 2008-09-01 | 半导体器件 |
| US12/202,467 US20090057787A1 (en) | 2007-08-31 | 2008-09-02 | Semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007225689A JP2009059882A (ja) | 2007-08-31 | 2007-08-31 | 半導体装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2009059882A true JP2009059882A (ja) | 2009-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007225689A Pending JP2009059882A (ja) | 2007-08-31 | 2007-08-31 | 半導体装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20090057787A1 (ja) |
| JP (1) | JP2009059882A (ja) |
| CN (1) | CN101378077A (ja) |
Cited By (4)
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| WO2011013374A1 (ja) | 2009-07-29 | 2011-02-03 | キヤノンアネルバ株式会社 | 半導体装置およびその製造方法 |
| JP4871433B2 (ja) * | 2009-04-28 | 2012-02-08 | キヤノンアネルバ株式会社 | 半導体装置およびその製造方法 |
| JP2015153812A (ja) * | 2014-02-12 | 2015-08-24 | 豊田合成株式会社 | 半導体装置およびその製造方法 |
| JP2016054250A (ja) * | 2014-09-04 | 2016-04-14 | 豊田合成株式会社 | 半導体装置、製造方法、方法 |
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2008
- 2008-09-01 CN CNA200810211186XA patent/CN101378077A/zh active Pending
- 2008-09-02 US US12/202,467 patent/US20090057787A1/en not_active Abandoned
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4871433B2 (ja) * | 2009-04-28 | 2012-02-08 | キヤノンアネルバ株式会社 | 半導体装置およびその製造方法 |
| US8415753B2 (en) | 2009-04-28 | 2013-04-09 | Canon Anelva Corporation | Semiconductor device and method of manufacturing the same |
| WO2011013374A1 (ja) | 2009-07-29 | 2011-02-03 | キヤノンアネルバ株式会社 | 半導体装置およびその製造方法 |
| KR101178826B1 (ko) | 2009-07-29 | 2012-09-03 | 캐논 아네르바 가부시키가이샤 | 반도체 장치 및 그 제조 방법 |
| JP5209791B2 (ja) * | 2009-07-29 | 2013-06-12 | キヤノンアネルバ株式会社 | 半導体装置およびその製造方法 |
| JP2015153812A (ja) * | 2014-02-12 | 2015-08-24 | 豊田合成株式会社 | 半導体装置およびその製造方法 |
| JP2016054250A (ja) * | 2014-09-04 | 2016-04-14 | 豊田合成株式会社 | 半導体装置、製造方法、方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101378077A (zh) | 2009-03-04 |
| US20090057787A1 (en) | 2009-03-05 |
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